Home / 302,376.20-453,612.30-102,715.40

Finding the Fourth Proportional to 302,376.20, 453,612.30 and 102,715.40

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Solution

The fourth proportional to 302,376.20, 453,612.30 and 102,715.40 is: 154,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,376.20 : 453,612.30 = 102,715.40 : x
  2. Step 2: Convert to fraction form
    302,376.20/453,612.30 = 102,715.40/x
  3. Step 3: Cross multiply
    302,376.20x = 453,612.30 × 102,715.40
  4. Step 4: Simplify right side
    302,376.20x = 46,592,968,839.42
  5. Step 5: Solve for x
    x = 46,592,968,839.42/302,376.20
  6. Step 6: Final answer
    x = 154,089.41

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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.