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Finding the Fourth Proportional to 237,639.17, 355,920.18 and 166,878.78

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Solution

The fourth proportional to 237,639.17, 355,920.18 and 166,878.78 is: 249,939.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,639.17 : 355,920.18 = 166,878.78 : x
  2. Step 2: Convert to fraction form
    237,639.17/355,920.18 = 166,878.78/x
  3. Step 3: Cross multiply
    237,639.17x = 355,920.18 × 166,878.78
  4. Step 4: Simplify right side
    237,639.17x = 59,395,525,415.78
  5. Step 5: Solve for x
    x = 59,395,525,415.78/237,639.17
  6. Step 6: Final answer
    x = 249,939.97

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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.