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Finding the Fourth Proportional to 383,787.84, 575,543.52 and 162,189.12

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Solution

The fourth proportional to 383,787.84, 575,543.52 and 162,189.12 is: 243,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,787.84 : 575,543.52 = 162,189.12 : x
  2. Step 2: Convert to fraction form
    383,787.84/575,543.52 = 162,189.12/x
  3. Step 3: Cross multiply
    383,787.84x = 575,543.52 × 162,189.12
  4. Step 4: Simplify right side
    383,787.84x = 93,346,897,030.50
  5. Step 5: Solve for x
    x = 93,346,897,030.50/383,787.84
  6. Step 6: Final answer
    x = 243,225.26

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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.