Home / 380,146.53-524,545.77-230,885.76

Finding the Fourth Proportional to 380,146.53, 524,545.77 and 230,885.76

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Solution

The fourth proportional to 380,146.53, 524,545.77 and 230,885.76 is: 318,588.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,146.53 : 524,545.77 = 230,885.76 : x
  2. Step 2: Convert to fraction form
    380,146.53/524,545.77 = 230,885.76/x
  3. Step 3: Cross multiply
    380,146.53x = 524,545.77 × 230,885.76
  4. Step 4: Simplify right side
    380,146.53x = 121,110,148,761.24
  5. Step 5: Solve for x
    x = 121,110,148,761.24/380,146.53
  6. Step 6: Final answer
    x = 318,588.07

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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.