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Finding the Fourth Proportional to 230,237.88, 317,815.02 and 134,775.48

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Solution

The fourth proportional to 230,237.88, 317,815.02 and 134,775.48 is: 186,040.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,237.88 : 317,815.02 = 134,775.48 : x
  2. Step 2: Convert to fraction form
    230,237.88/317,815.02 = 134,775.48/x
  3. Step 3: Cross multiply
    230,237.88x = 317,815.02 × 134,775.48
  4. Step 4: Simplify right side
    230,237.88x = 42,833,671,871.71
  5. Step 5: Solve for x
    x = 42,833,671,871.71/230,237.88
  6. Step 6: Final answer
    x = 186,040.94

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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.