Home / 265,205.30-365,953.34-156,302.55

Finding the Fourth Proportional to 265,205.30, 365,953.34 and 156,302.55

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Solution

The fourth proportional to 265,205.30, 365,953.34 and 156,302.55 is: 215,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,205.30 : 365,953.34 = 156,302.55 : x
  2. Step 2: Convert to fraction form
    265,205.30/365,953.34 = 156,302.55/x
  3. Step 3: Cross multiply
    265,205.30x = 365,953.34 × 156,302.55
  4. Step 4: Simplify right side
    265,205.30x = 57,199,440,613.77
  5. Step 5: Solve for x
    x = 57,199,440,613.77/265,205.30
  6. Step 6: Final answer
    x = 215,679.86

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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.