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Finding the Fourth Proportional to 360,875.64, 497,987.73 and 199,721.10

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Solution

The fourth proportional to 360,875.64, 497,987.73 and 199,721.10 is: 275,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,875.64 : 497,987.73 = 199,721.10 : x
  2. Step 2: Convert to fraction form
    360,875.64/497,987.73 = 199,721.10/x
  3. Step 3: Cross multiply
    360,875.64x = 497,987.73 × 199,721.10
  4. Step 4: Simplify right side
    360,875.64x = 99,458,657,222.10
  5. Step 5: Solve for x
    x = 99,458,657,222.10/360,875.64
  6. Step 6: Final answer
    x = 275,603.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.