Home / 302,315.10-453,473.00-77,677.40

Finding the Fourth Proportional to 302,315.10, 453,473.00 and 77,677.40

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Solution

The fourth proportional to 302,315.10, 453,473.00 and 77,677.40 is: 116,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,315.10 : 453,473.00 = 77,677.40 : x
  2. Step 2: Convert to fraction form
    302,315.10/453,473.00 = 77,677.40/x
  3. Step 3: Cross multiply
    302,315.10x = 453,473.00 × 77,677.40
  4. Step 4: Simplify right side
    302,315.10x = 35,224,600,954.45
  5. Step 5: Solve for x
    x = 35,224,600,954.45/302,315.10
  6. Step 6: Final answer
    x = 116,516.18

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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.