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Finding the Fourth Proportional to 359,271.60, 538,907.40 and 330,111.60

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Solution

The fourth proportional to 359,271.60, 538,907.40 and 330,111.60 is: 495,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,271.60 : 538,907.40 = 330,111.60 : x
  2. Step 2: Convert to fraction form
    359,271.60/538,907.40 = 330,111.60/x
  3. Step 3: Cross multiply
    359,271.60x = 538,907.40 × 330,111.60
  4. Step 4: Simplify right side
    359,271.60x = 177,899,584,065.84
  5. Step 5: Solve for x
    x = 177,899,584,065.84/359,271.60
  6. Step 6: Final answer
    x = 495,167.40

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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.