Home / 317,463.21-438,089.33-174,219.57

Finding the Fourth Proportional to 317,463.21, 438,089.33 and 174,219.57

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Solution

The fourth proportional to 317,463.21, 438,089.33 and 174,219.57 is: 240,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,463.21 : 438,089.33 = 174,219.57 : x
  2. Step 2: Convert to fraction form
    317,463.21/438,089.33 = 174,219.57/x
  3. Step 3: Cross multiply
    317,463.21x = 438,089.33 × 174,219.57
  4. Step 4: Simplify right side
    317,463.21x = 76,323,733,823.09
  5. Step 5: Solve for x
    x = 76,323,733,823.09/317,463.21
  6. Step 6: Final answer
    x = 240,417.57

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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.