Home / 220,266.95-303,900.13-123,457.40

Finding the Fourth Proportional to 220,266.95, 303,900.13 and 123,457.40

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Solution

The fourth proportional to 220,266.95, 303,900.13 and 123,457.40 is: 170,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,266.95 : 303,900.13 = 123,457.40 : x
  2. Step 2: Convert to fraction form
    220,266.95/303,900.13 = 123,457.40/x
  3. Step 3: Cross multiply
    220,266.95x = 303,900.13 × 123,457.40
  4. Step 4: Simplify right side
    220,266.95x = 37,518,719,909.46
  5. Step 5: Solve for x
    x = 37,518,719,909.46/220,266.95
  6. Step 6: Final answer
    x = 170,332.95

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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.