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Finding the Fourth Proportional to 461,430.40, 692,145.60 and 162,248.80

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Solution

The fourth proportional to 461,430.40, 692,145.60 and 162,248.80 is: 243,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,430.40 : 692,145.60 = 162,248.80 : x
  2. Step 2: Convert to fraction form
    461,430.40/692,145.60 = 162,248.80/x
  3. Step 3: Cross multiply
    461,430.40x = 692,145.60 × 162,248.80
  4. Step 4: Simplify right side
    461,430.40x = 112,299,793,025.28
  5. Step 5: Solve for x
    x = 112,299,793,025.28/461,430.40
  6. Step 6: Final answer
    x = 243,373.20

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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.