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Finding the Fourth Proportional to 378,409.71, 567,602.27 and 153,703.66

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Solution

The fourth proportional to 378,409.71, 567,602.27 and 153,703.66 is: 230,550.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,409.71 : 567,602.27 = 153,703.66 : x
  2. Step 2: Convert to fraction form
    378,409.71/567,602.27 = 153,703.66/x
  3. Step 3: Cross multiply
    378,409.71x = 567,602.27 × 153,703.66
  4. Step 4: Simplify right side
    378,409.71x = 87,242,546,323.31
  5. Step 5: Solve for x
    x = 87,242,546,323.31/378,409.71
  6. Step 6: Final answer
    x = 230,550.50

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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.