Home / 288,416.19-398,011.99-159,354.25

Finding the Fourth Proportional to 288,416.19, 398,011.99 and 159,354.25

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Solution

The fourth proportional to 288,416.19, 398,011.99 and 159,354.25 is: 219,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,416.19 : 398,011.99 = 159,354.25 : x
  2. Step 2: Convert to fraction form
    288,416.19/398,011.99 = 159,354.25/x
  3. Step 3: Cross multiply
    288,416.19x = 398,011.99 × 159,354.25
  4. Step 4: Simplify right side
    288,416.19x = 63,424,902,157.46
  5. Step 5: Solve for x
    x = 63,424,902,157.46/288,416.19
  6. Step 6: Final answer
    x = 219,907.57

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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.