Home / 358,311.60-537,467.40-145,079.10

Finding the Fourth Proportional to 358,311.60, 537,467.40 and 145,079.10

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Solution

The fourth proportional to 358,311.60, 537,467.40 and 145,079.10 is: 217,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,311.60 : 537,467.40 = 145,079.10 : x
  2. Step 2: Convert to fraction form
    358,311.60/537,467.40 = 145,079.10/x
  3. Step 3: Cross multiply
    358,311.60x = 537,467.40 × 145,079.10
  4. Step 4: Simplify right side
    358,311.60x = 77,975,286,671.34
  5. Step 5: Solve for x
    x = 77,975,286,671.34/358,311.60
  6. Step 6: Final answer
    x = 217,618.65

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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.