Home / 287,483.09-430,747.91-174,822.52

Finding the Fourth Proportional to 287,483.09, 430,747.91 and 174,822.52

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Solution

The fourth proportional to 287,483.09, 430,747.91 and 174,822.52 is: 261,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,483.09 : 430,747.91 = 174,822.52 : x
  2. Step 2: Convert to fraction form
    287,483.09/430,747.91 = 174,822.52/x
  3. Step 3: Cross multiply
    287,483.09x = 430,747.91 × 174,822.52
  4. Step 4: Simplify right side
    287,483.09x = 75,304,432,957.19
  5. Step 5: Solve for x
    x = 75,304,432,957.19/287,483.09
  6. Step 6: Final answer
    x = 261,943.87

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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.