Home / 402,445.04-603,788.28-162,435.46

Finding the Fourth Proportional to 402,445.04, 603,788.28 and 162,435.46

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Solution

The fourth proportional to 402,445.04, 603,788.28 and 162,435.46 is: 243,701.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,445.04 : 603,788.28 = 162,435.46 : x
  2. Step 2: Convert to fraction form
    402,445.04/603,788.28 = 162,435.46/x
  3. Step 3: Cross multiply
    402,445.04x = 603,788.28 × 162,435.46
  4. Step 4: Simplify right side
    402,445.04x = 98,076,627,004.41
  5. Step 5: Solve for x
    x = 98,076,627,004.41/402,445.04
  6. Step 6: Final answer
    x = 243,701.92

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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.