Home / 289,746.14-399,848.06-162,419.00

Finding the Fourth Proportional to 289,746.14, 399,848.06 and 162,419.00

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Solution

The fourth proportional to 289,746.14, 399,848.06 and 162,419.00 is: 224,137.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,746.14 : 399,848.06 = 162,419.00 : x
  2. Step 2: Convert to fraction form
    289,746.14/399,848.06 = 162,419.00/x
  3. Step 3: Cross multiply
    289,746.14x = 399,848.06 × 162,419.00
  4. Step 4: Simplify right side
    289,746.14x = 64,942,920,463.95
  5. Step 5: Solve for x
    x = 64,942,920,463.95/289,746.14
  6. Step 6: Final answer
    x = 224,137.31

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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.