Home / 346,450.30-519,602.55-146,777.20

Finding the Fourth Proportional to 346,450.30, 519,602.55 and 146,777.20

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Solution

The fourth proportional to 346,450.30, 519,602.55 and 146,777.20 is: 220,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,450.30 : 519,602.55 = 146,777.20 : x
  2. Step 2: Convert to fraction form
    346,450.30/519,602.55 = 146,777.20/x
  3. Step 3: Cross multiply
    346,450.30x = 519,602.55 × 146,777.20
  4. Step 4: Simplify right side
    346,450.30x = 76,265,807,401.86
  5. Step 5: Solve for x
    x = 76,265,807,401.86/346,450.30
  6. Step 6: Final answer
    x = 220,134.92

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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.