Home / 346,477.80-519,327.90-146,764.20

Finding the Fourth Proportional to 346,477.80, 519,327.90 and 146,764.20

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Solution

The fourth proportional to 346,477.80, 519,327.90 and 146,764.20 is: 219,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,477.80 : 519,327.90 = 146,764.20 : x
  2. Step 2: Convert to fraction form
    346,477.80/519,327.90 = 146,764.20/x
  3. Step 3: Cross multiply
    346,477.80x = 519,327.90 × 146,764.20
  4. Step 4: Simplify right side
    346,477.80x = 76,218,743,781.18
  5. Step 5: Solve for x
    x = 76,218,743,781.18/346,477.80
  6. Step 6: Final answer
    x = 219,981.61

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1.5x scale

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.