Home / 651,370.40-977,152.80-230,613.20

Finding the Fourth Proportional to 651,370.40, 977,152.80 and 230,613.20

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Solution

The fourth proportional to 651,370.40, 977,152.80 and 230,613.20 is: 345,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,370.40 : 977,152.80 = 230,613.20 : x
  2. Step 2: Convert to fraction form
    651,370.40/977,152.80 = 230,613.20/x
  3. Step 3: Cross multiply
    651,370.40x = 977,152.80 × 230,613.20
  4. Step 4: Simplify right side
    651,370.40x = 225,344,334,096.96
  5. Step 5: Solve for x
    x = 225,344,334,096.96/651,370.40
  6. Step 6: Final answer
    x = 345,954.21

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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.