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Finding the Fourth Proportional to 228,429.07, 314,930.10 and 187,443.07

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Solution

The fourth proportional to 228,429.07, 314,930.10 and 187,443.07 is: 258,423.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,429.07 : 314,930.10 = 187,443.07 : x
  2. Step 2: Convert to fraction form
    228,429.07/314,930.10 = 187,443.07/x
  3. Step 3: Cross multiply
    228,429.07x = 314,930.10 × 187,443.07
  4. Step 4: Simplify right side
    228,429.07x = 59,031,464,779.41
  5. Step 5: Solve for x
    x = 59,031,464,779.41/228,429.07
  6. Step 6: Final answer
    x = 258,423.61

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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.