Home / 296,070.50-444,110.34-85,709.18

Finding the Fourth Proportional to 296,070.50, 444,110.34 and 85,709.18

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Solution

The fourth proportional to 296,070.50, 444,110.34 and 85,709.18 is: 128,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,070.50 : 444,110.34 = 85,709.18 : x
  2. Step 2: Convert to fraction form
    296,070.50/444,110.34 = 85,709.18/x
  3. Step 3: Cross multiply
    296,070.50x = 444,110.34 × 85,709.18
  4. Step 4: Simplify right side
    296,070.50x = 38,064,333,070.92
  5. Step 5: Solve for x
    x = 38,064,333,070.92/296,070.50
  6. Step 6: Final answer
    x = 128,565.10

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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.