Home / 346,079.80-519,411.30-168,738.40

Finding the Fourth Proportional to 346,079.80, 519,411.30 and 168,738.40

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Solution

The fourth proportional to 346,079.80, 519,411.30 and 168,738.40 is: 253,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,079.80 : 519,411.30 = 168,738.40 : x
  2. Step 2: Convert to fraction form
    346,079.80/519,411.30 = 168,738.40/x
  3. Step 3: Cross multiply
    346,079.80x = 519,411.30 × 168,738.40
  4. Step 4: Simplify right side
    346,079.80x = 87,644,631,703.92
  5. Step 5: Solve for x
    x = 87,644,631,703.92/346,079.80
  6. Step 6: Final answer
    x = 253,249.78

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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.