Home / 215,476.48-297,354.74-118,678.50

Finding the Fourth Proportional to 215,476.48, 297,354.74 and 118,678.50

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Solution

The fourth proportional to 215,476.48, 297,354.74 and 118,678.50 is: 163,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,476.48 : 297,354.74 = 118,678.50 : x
  2. Step 2: Convert to fraction form
    215,476.48/297,354.74 = 118,678.50/x
  3. Step 3: Cross multiply
    215,476.48x = 297,354.74 × 118,678.50
  4. Step 4: Simplify right side
    215,476.48x = 35,289,614,511.09
  5. Step 5: Solve for x
    x = 35,289,614,511.09/215,476.48
  6. Step 6: Final answer
    x = 163,774.79

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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.