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Finding the Fourth Proportional to 651,630.40, 977,618.40 and 230,862.40

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Solution

The fourth proportional to 651,630.40, 977,618.40 and 230,862.40 is: 346,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,630.40 : 977,618.40 = 230,862.40 : x
  2. Step 2: Convert to fraction form
    651,630.40/977,618.40 = 230,862.40/x
  3. Step 3: Cross multiply
    651,630.40x = 977,618.40 × 230,862.40
  4. Step 4: Simplify right side
    651,630.40x = 225,695,330,108.16
  5. Step 5: Solve for x
    x = 225,695,330,108.16/651,630.40
  6. Step 6: Final answer
    x = 346,354.82

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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.