Home / 291,925.13-437,887.69-70,309.13

Finding the Fourth Proportional to 291,925.13, 437,887.69 and 70,309.13

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Solution

The fourth proportional to 291,925.13, 437,887.69 and 70,309.13 is: 105,463.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,925.13 : 437,887.69 = 70,309.13 : x
  2. Step 2: Convert to fraction form
    291,925.13/437,887.69 = 70,309.13/x
  3. Step 3: Cross multiply
    291,925.13x = 437,887.69 × 70,309.13
  4. Step 4: Simplify right side
    291,925.13x = 30,787,500,156.40
  5. Step 5: Solve for x
    x = 30,787,500,156.40/291,925.13
  6. Step 6: Final answer
    x = 105,463.69

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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.