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Finding the Fourth Proportional to 338,271.50, 466,830.06 and 187,368.50

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Solution

The fourth proportional to 338,271.50, 466,830.06 and 187,368.50 is: 258,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,271.50 : 466,830.06 = 187,368.50 : x
  2. Step 2: Convert to fraction form
    338,271.50/466,830.06 = 187,368.50/x
  3. Step 3: Cross multiply
    338,271.50x = 466,830.06 × 187,368.50
  4. Step 4: Simplify right side
    338,271.50x = 87,469,248,097.11
  5. Step 5: Solve for x
    x = 87,469,248,097.11/338,271.50
  6. Step 6: Final answer
    x = 258,577.05

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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.