Home / 405,024.40-607,536.60-124,541.20

Finding the Fourth Proportional to 405,024.40, 607,536.60 and 124,541.20

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Solution

The fourth proportional to 405,024.40, 607,536.60 and 124,541.20 is: 186,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,024.40 : 607,536.60 = 124,541.20 : x
  2. Step 2: Convert to fraction form
    405,024.40/607,536.60 = 124,541.20/x
  3. Step 3: Cross multiply
    405,024.40x = 607,536.60 × 124,541.20
  4. Step 4: Simplify right side
    405,024.40x = 75,663,337,207.92
  5. Step 5: Solve for x
    x = 75,663,337,207.92/405,024.40
  6. Step 6: Final answer
    x = 186,811.80

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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.