Home / 346,417.20-519,139.80-275,461.20

Finding the Fourth Proportional to 346,417.20, 519,139.80 and 275,461.20

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Solution

The fourth proportional to 346,417.20, 519,139.80 and 275,461.20 is: 412,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,417.20 : 519,139.80 = 275,461.20 : x
  2. Step 2: Convert to fraction form
    346,417.20/519,139.80 = 275,461.20/x
  3. Step 3: Cross multiply
    346,417.20x = 519,139.80 × 275,461.20
  4. Step 4: Simplify right side
    346,417.20x = 143,002,872,275.76
  5. Step 5: Solve for x
    x = 143,002,872,275.76/346,417.20
  6. Step 6: Final answer
    x = 412,805.35

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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.