Home / 434,830.40-651,921.60-224,619.20

Finding the Fourth Proportional to 434,830.40, 651,921.60 and 224,619.20

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Solution

The fourth proportional to 434,830.40, 651,921.60 and 224,619.20 is: 336,761.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,830.40 : 651,921.60 = 224,619.20 : x
  2. Step 2: Convert to fraction form
    434,830.40/651,921.60 = 224,619.20/x
  3. Step 3: Cross multiply
    434,830.40x = 651,921.60 × 224,619.20
  4. Step 4: Simplify right side
    434,830.40x = 146,434,108,254.72
  5. Step 5: Solve for x
    x = 146,434,108,254.72/434,830.40
  6. Step 6: Final answer
    x = 336,761.43

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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.