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Finding the Fourth Proportional to 370,391.74, 556,325.72 and 349,502.24

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Solution

The fourth proportional to 370,391.74, 556,325.72 and 349,502.24 is: 524,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,391.74 : 556,325.72 = 349,502.24 : x
  2. Step 2: Convert to fraction form
    370,391.74/556,325.72 = 349,502.24/x
  3. Step 3: Cross multiply
    370,391.74x = 556,325.72 × 349,502.24
  4. Step 4: Simplify right side
    370,391.74x = 194,437,083,562.10
  5. Step 5: Solve for x
    x = 194,437,083,562.10/370,391.74
  6. Step 6: Final answer
    x = 524,949.84

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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.