Home / 251,909.46-347,666.84-144,477.20

Finding the Fourth Proportional to 251,909.46, 347,666.84 and 144,477.20

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Solution

The fourth proportional to 251,909.46, 347,666.84 and 144,477.20 is: 199,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,909.46 : 347,666.84 = 144,477.20 : x
  2. Step 2: Convert to fraction form
    251,909.46/347,666.84 = 144,477.20/x
  3. Step 3: Cross multiply
    251,909.46x = 347,666.84 × 144,477.20
  4. Step 4: Simplify right side
    251,909.46x = 50,229,931,576.05
  5. Step 5: Solve for x
    x = 50,229,931,576.05/251,909.46
  6. Step 6: Final answer
    x = 199,396.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.