Home / 317,055.21-437,039.17-240,266.91

Finding the Fourth Proportional to 317,055.21, 437,039.17 and 240,266.91

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Solution

The fourth proportional to 317,055.21, 437,039.17 and 240,266.91 is: 331,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,055.21 : 437,039.17 = 240,266.91 : x
  2. Step 2: Convert to fraction form
    317,055.21/437,039.17 = 240,266.91/x
  3. Step 3: Cross multiply
    317,055.21x = 437,039.17 × 240,266.91
  4. Step 4: Simplify right side
    317,055.21x = 105,006,050,924.87
  5. Step 5: Solve for x
    x = 105,006,050,924.87/317,055.21
  6. Step 6: Final answer
    x = 331,191.69

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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.