Home / 302,715.30-454,072.95-288,200.10

Finding the Fourth Proportional to 302,715.30, 454,072.95 and 288,200.10

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Solution

The fourth proportional to 302,715.30, 454,072.95 and 288,200.10 is: 432,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,715.30 : 454,072.95 = 288,200.10 : x
  2. Step 2: Convert to fraction form
    302,715.30/454,072.95 = 288,200.10/x
  3. Step 3: Cross multiply
    302,715.30x = 454,072.95 × 288,200.10
  4. Step 4: Simplify right side
    302,715.30x = 130,863,869,597.30
  5. Step 5: Solve for x
    x = 130,863,869,597.30/302,715.30
  6. Step 6: Final answer
    x = 432,300.15

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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.