Home / 211,037.76-316,332.24-144,459.12

Finding the Fourth Proportional to 211,037.76, 316,332.24 and 144,459.12

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Solution

The fourth proportional to 211,037.76, 316,332.24 and 144,459.12 is: 216,535.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,037.76 : 316,332.24 = 144,459.12 : x
  2. Step 2: Convert to fraction form
    211,037.76/316,332.24 = 144,459.12/x
  3. Step 3: Cross multiply
    211,037.76x = 316,332.24 × 144,459.12
  4. Step 4: Simplify right side
    211,037.76x = 45,697,077,018.03
  5. Step 5: Solve for x
    x = 45,697,077,018.03/211,037.76
  6. Step 6: Final answer
    x = 216,535.07

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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.