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Finding the Fourth Proportional to 507,239.60, 760,801.80 and 133,300.40

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Solution

The fourth proportional to 507,239.60, 760,801.80 and 133,300.40 is: 199,935.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,239.60 : 760,801.80 = 133,300.40 : x
  2. Step 2: Convert to fraction form
    507,239.60/760,801.80 = 133,300.40/x
  3. Step 3: Cross multiply
    507,239.60x = 760,801.80 × 133,300.40
  4. Step 4: Simplify right side
    507,239.60x = 101,415,184,260.72
  5. Step 5: Solve for x
    x = 101,415,184,260.72/507,239.60
  6. Step 6: Final answer
    x = 199,935.46

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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.