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Finding the Fourth Proportional to 523,345.08, 785,175.20 and 163,501.39

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Solution

The fourth proportional to 523,345.08, 785,175.20 and 163,501.39 is: 245,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,345.08 : 785,175.20 = 163,501.39 : x
  2. Step 2: Convert to fraction form
    523,345.08/785,175.20 = 163,501.39/x
  3. Step 3: Cross multiply
    523,345.08x = 785,175.20 × 163,501.39
  4. Step 4: Simplify right side
    523,345.08x = 128,377,232,494.16
  5. Step 5: Solve for x
    x = 128,377,232,494.16/523,345.08
  6. Step 6: Final answer
    x = 245,301.31

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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.