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Finding the Fourth Proportional to 239,277.40, 358,916.10 and 164,627.80

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Solution

The fourth proportional to 239,277.40, 358,916.10 and 164,627.80 is: 246,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,277.40 : 358,916.10 = 164,627.80 : x
  2. Step 2: Convert to fraction form
    239,277.40/358,916.10 = 164,627.80/x
  3. Step 3: Cross multiply
    239,277.40x = 358,916.10 × 164,627.80
  4. Step 4: Simplify right side
    239,277.40x = 59,087,567,927.58
  5. Step 5: Solve for x
    x = 59,087,567,927.58/239,277.40
  6. Step 6: Final answer
    x = 246,941.70

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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.