Home / 257,467.50-355,327.02-144,312.12

Finding the Fourth Proportional to 257,467.50, 355,327.02 and 144,312.12

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Solution

The fourth proportional to 257,467.50, 355,327.02 and 144,312.12 is: 199,162.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,467.50 : 355,327.02 = 144,312.12 : x
  2. Step 2: Convert to fraction form
    257,467.50/355,327.02 = 144,312.12/x
  3. Step 3: Cross multiply
    257,467.50x = 355,327.02 × 144,312.12
  4. Step 4: Simplify right side
    257,467.50x = 51,277,995,549.48
  5. Step 5: Solve for x
    x = 51,277,995,549.48/257,467.50
  6. Step 6: Final answer
    x = 199,162.98

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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.