Home / 351,905.02-527,746.02-127,235.72

Finding the Fourth Proportional to 351,905.02, 527,746.02 and 127,235.72

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Solution

The fourth proportional to 351,905.02, 527,746.02 and 127,235.72 is: 190,813.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,905.02 : 527,746.02 = 127,235.72 : x
  2. Step 2: Convert to fraction form
    351,905.02/527,746.02 = 127,235.72/x
  3. Step 3: Cross multiply
    351,905.02x = 527,746.02 × 127,235.72
  4. Step 4: Simplify right side
    351,905.02x = 67,148,144,831.83
  5. Step 5: Solve for x
    x = 67,148,144,831.83/351,905.02
  6. Step 6: Final answer
    x = 190,813.26

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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.