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Finding the Fourth Proportional to 287,001.57, 430,484.94 and 107,052.31

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Solution

The fourth proportional to 287,001.57, 430,484.94 and 107,052.31 is: 160,571.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,001.57 : 430,484.94 = 107,052.31 : x
  2. Step 2: Convert to fraction form
    287,001.57/430,484.94 = 107,052.31/x
  3. Step 3: Cross multiply
    287,001.57x = 430,484.94 × 107,052.31
  4. Step 4: Simplify right side
    287,001.57x = 46,084,406,171.00
  5. Step 5: Solve for x
    x = 46,084,406,171.00/287,001.57
  6. Step 6: Final answer
    x = 160,571.97

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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.