Home / 288,534.45-432,810.51-98,992.17

Finding the Fourth Proportional to 288,534.45, 432,810.51 and 98,992.17

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Solution

The fourth proportional to 288,534.45, 432,810.51 and 98,992.17 is: 148,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,534.45 : 432,810.51 = 98,992.17 : x
  2. Step 2: Convert to fraction form
    288,534.45/432,810.51 = 98,992.17/x
  3. Step 3: Cross multiply
    288,534.45x = 432,810.51 × 98,992.17
  4. Step 4: Simplify right side
    288,534.45x = 42,844,851,583.71
  5. Step 5: Solve for x
    x = 42,844,851,583.71/288,534.45
  6. Step 6: Final answer
    x = 148,491.29

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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.