Home / 288,307.35-432,460.01-77,945.25

Finding the Fourth Proportional to 288,307.35, 432,460.01 and 77,945.25

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Solution

The fourth proportional to 288,307.35, 432,460.01 and 77,945.25 is: 116,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,307.35 : 432,460.01 = 77,945.25 : x
  2. Step 2: Convert to fraction form
    288,307.35/432,460.01 = 77,945.25/x
  3. Step 3: Cross multiply
    288,307.35x = 432,460.01 × 77,945.25
  4. Step 4: Simplify right side
    288,307.35x = 33,708,203,204.73
  5. Step 5: Solve for x
    x = 33,708,203,204.73/288,307.35
  6. Step 6: Final answer
    x = 116,917.60

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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.