Home / 434,423.80-651,830.10-197,644.60

Finding the Fourth Proportional to 434,423.80, 651,830.10 and 197,644.60

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Solution

The fourth proportional to 434,423.80, 651,830.10 and 197,644.60 is: 296,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,423.80 : 651,830.10 = 197,644.60 : x
  2. Step 2: Convert to fraction form
    434,423.80/651,830.10 = 197,644.60/x
  3. Step 3: Cross multiply
    434,423.80x = 651,830.10 × 197,644.60
  4. Step 4: Simplify right side
    434,423.80x = 128,830,699,382.46
  5. Step 5: Solve for x
    x = 128,830,699,382.46/434,423.80
  6. Step 6: Final answer
    x = 296,555.34

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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.