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Finding the Fourth Proportional to 274,364.62, 378,602.51 and 153,483.66

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Solution

The fourth proportional to 274,364.62, 378,602.51 and 153,483.66 is: 211,795.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,364.62 : 378,602.51 = 153,483.66 : x
  2. Step 2: Convert to fraction form
    274,364.62/378,602.51 = 153,483.66/x
  3. Step 3: Cross multiply
    274,364.62x = 378,602.51 × 153,483.66
  4. Step 4: Simplify right side
    274,364.62x = 58,109,298,152.57
  5. Step 5: Solve for x
    x = 58,109,298,152.57/274,364.62
  6. Step 6: Final answer
    x = 211,795.89

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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.