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Finding the Fourth Proportional to 557,365.20, 835,950.60 and 202,196.40

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Solution

The fourth proportional to 557,365.20, 835,950.60 and 202,196.40 is: 303,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,365.20 : 835,950.60 = 202,196.40 : x
  2. Step 2: Convert to fraction form
    557,365.20/835,950.60 = 202,196.40/x
  3. Step 3: Cross multiply
    557,365.20x = 835,950.60 × 202,196.40
  4. Step 4: Simplify right side
    557,365.20x = 169,026,201,897.84
  5. Step 5: Solve for x
    x = 169,026,201,897.84/557,365.20
  6. Step 6: Final answer
    x = 303,259.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.