Home / 434,474.60-651,711.90-210,007.40

Finding the Fourth Proportional to 434,474.60, 651,711.90 and 210,007.40

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Solution

The fourth proportional to 434,474.60, 651,711.90 and 210,007.40 is: 315,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,474.60 : 651,711.90 = 210,007.40 : x
  2. Step 2: Convert to fraction form
    434,474.60/651,711.90 = 210,007.40/x
  3. Step 3: Cross multiply
    434,474.60x = 651,711.90 × 210,007.40
  4. Step 4: Simplify right side
    434,474.60x = 136,864,321,668.06
  5. Step 5: Solve for x
    x = 136,864,321,668.06/434,474.60
  6. Step 6: Final answer
    x = 315,011.10

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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.