Home / 366,985.40-550,478.10-247,411.18

Finding the Fourth Proportional to 366,985.40, 550,478.10 and 247,411.18

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Solution

The fourth proportional to 366,985.40, 550,478.10 and 247,411.18 is: 371,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,985.40 : 550,478.10 = 247,411.18 : x
  2. Step 2: Convert to fraction form
    366,985.40/550,478.10 = 247,411.18/x
  3. Step 3: Cross multiply
    366,985.40x = 550,478.10 × 247,411.18
  4. Step 4: Simplify right side
    366,985.40x = 136,194,436,285.16
  5. Step 5: Solve for x
    x = 136,194,436,285.16/366,985.40
  6. Step 6: Final answer
    x = 371,116.77

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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.