Home / 240,226.29-331,510.50-138,271.77

Finding the Fourth Proportional to 240,226.29, 331,510.50 and 138,271.77

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Solution

The fourth proportional to 240,226.29, 331,510.50 and 138,271.77 is: 190,814.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,226.29 : 331,510.50 = 138,271.77 : x
  2. Step 2: Convert to fraction form
    240,226.29/331,510.50 = 138,271.77/x
  3. Step 3: Cross multiply
    240,226.29x = 331,510.50 × 138,271.77
  4. Step 4: Simplify right side
    240,226.29x = 45,838,543,608.59
  5. Step 5: Solve for x
    x = 45,838,543,608.59/240,226.29
  6. Step 6: Final answer
    x = 190,814.02

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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.