Home / 346,094.20-519,141.30-257,520.70

Finding the Fourth Proportional to 346,094.20, 519,141.30 and 257,520.70

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Solution

The fourth proportional to 346,094.20, 519,141.30 and 257,520.70 is: 386,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,094.20 : 519,141.30 = 257,520.70 : x
  2. Step 2: Convert to fraction form
    346,094.20/519,141.30 = 257,520.70/x
  3. Step 3: Cross multiply
    346,094.20x = 519,141.30 × 257,520.70
  4. Step 4: Simplify right side
    346,094.20x = 133,689,630,974.91
  5. Step 5: Solve for x
    x = 133,689,630,974.91/346,094.20
  6. Step 6: Final answer
    x = 386,281.05

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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.