Home / 354,554.20-531,053.70-307,898.20

Finding the Fourth Proportional to 354,554.20, 531,053.70 and 307,898.20

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Solution

The fourth proportional to 354,554.20, 531,053.70 and 307,898.20 is: 461,172.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,554.20 : 531,053.70 = 307,898.20 : x
  2. Step 2: Convert to fraction form
    354,554.20/531,053.70 = 307,898.20/x
  3. Step 3: Cross multiply
    354,554.20x = 531,053.70 × 307,898.20
  4. Step 4: Simplify right side
    354,554.20x = 163,510,478,333.34
  5. Step 5: Solve for x
    x = 163,510,478,333.34/354,554.20
  6. Step 6: Final answer
    x = 461,172.02

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1.5x scale

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.