Home / 302,686.37-454,089.39-89,458.12

Finding the Fourth Proportional to 302,686.37, 454,089.39 and 89,458.12

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Solution

The fourth proportional to 302,686.37, 454,089.39 and 89,458.12 is: 134,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,686.37 : 454,089.39 = 89,458.12 : x
  2. Step 2: Convert to fraction form
    302,686.37/454,089.39 = 89,458.12/x
  3. Step 3: Cross multiply
    302,686.37x = 454,089.39 × 89,458.12
  4. Step 4: Simplify right side
    302,686.37x = 40,621,980,423.61
  5. Step 5: Solve for x
    x = 40,621,980,423.61/302,686.37
  6. Step 6: Final answer
    x = 134,204.86

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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.