Home / 343,972.80-514,922.40-302,500.80

Finding the Fourth Proportional to 343,972.80, 514,922.40 and 302,500.80

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Solution

The fourth proportional to 343,972.80, 514,922.40 and 302,500.80 is: 452,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,972.80 : 514,922.40 = 302,500.80 : x
  2. Step 2: Convert to fraction form
    343,972.80/514,922.40 = 302,500.80/x
  3. Step 3: Cross multiply
    343,972.80x = 514,922.40 × 302,500.80
  4. Step 4: Simplify right side
    343,972.80x = 155,764,437,937.92
  5. Step 5: Solve for x
    x = 155,764,437,937.92/343,972.80
  6. Step 6: Final answer
    x = 452,839.40

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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.