Home / 286,337.40-395,158.74-159,013.56

Finding the Fourth Proportional to 286,337.40, 395,158.74 and 159,013.56

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Solution

The fourth proportional to 286,337.40, 395,158.74 and 159,013.56 is: 219,446.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,337.40 : 395,158.74 = 159,013.56 : x
  2. Step 2: Convert to fraction form
    286,337.40/395,158.74 = 159,013.56/x
  3. Step 3: Cross multiply
    286,337.40x = 395,158.74 × 159,013.56
  4. Step 4: Simplify right side
    286,337.40x = 62,835,598,012.51
  5. Step 5: Solve for x
    x = 62,835,598,012.51/286,337.40
  6. Step 6: Final answer
    x = 219,446.00

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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.