Home / 257,250.06-385,885.35-70,261.02

Finding the Fourth Proportional to 257,250.06, 385,885.35 and 70,261.02

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Solution

The fourth proportional to 257,250.06, 385,885.35 and 70,261.02 is: 105,394.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,250.06 : 385,885.35 = 70,261.02 : x
  2. Step 2: Convert to fraction form
    257,250.06/385,885.35 = 70,261.02/x
  3. Step 3: Cross multiply
    257,250.06x = 385,885.35 × 70,261.02
  4. Step 4: Simplify right side
    257,250.06x = 27,112,698,294.06
  5. Step 5: Solve for x
    x = 27,112,698,294.06/257,250.06
  6. Step 6: Final answer
    x = 105,394.33

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1.5x scale

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.