Home / 318,788.16-439,918.04-175,548.98

Finding the Fourth Proportional to 318,788.16, 439,918.04 and 175,548.98

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Solution

The fourth proportional to 318,788.16, 439,918.04 and 175,548.98 is: 242,252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,788.16 : 439,918.04 = 175,548.98 : x
  2. Step 2: Convert to fraction form
    318,788.16/439,918.04 = 175,548.98/x
  3. Step 3: Cross multiply
    318,788.16x = 439,918.04 × 175,548.98
  4. Step 4: Simplify right side
    318,788.16x = 77,227,163,205.60
  5. Step 5: Solve for x
    x = 77,227,163,205.60/318,788.16
  6. Step 6: Final answer
    x = 242,252.29

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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.