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Finding the Fourth Proportional to 248,675.79, 373,123.95 and 130,319

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Solution

The fourth proportional to 248,675.79, 373,123.95 and 130,319 is: 195,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,675.79 : 373,123.95 = 130,319 : x
  2. Step 2: Convert to fraction form
    248,675.79/373,123.95 = 130,319/x
  3. Step 3: Cross multiply
    248,675.79x = 373,123.95 × 130,319
  4. Step 4: Simplify right side
    248,675.79x = 48,625,140,040.05
  5. Step 5: Solve for x
    x = 48,625,140,040.05/248,675.79
  6. Step 6: Final answer
    x = 195,536.28

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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.