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Finding the Fourth Proportional to 358,281.48, 537,308.12 and 118,350.84

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Solution

The fourth proportional to 358,281.48, 537,308.12 and 118,350.84 is: 177,488.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,281.48 : 537,308.12 = 118,350.84 : x
  2. Step 2: Convert to fraction form
    358,281.48/537,308.12 = 118,350.84/x
  3. Step 3: Cross multiply
    358,281.48x = 537,308.12 × 118,350.84
  4. Step 4: Simplify right side
    358,281.48x = 63,590,867,340.82
  5. Step 5: Solve for x
    x = 63,590,867,340.82/358,281.48
  6. Step 6: Final answer
    x = 177,488.57

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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.