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Finding the Fourth Proportional to 493,370.64, 680,852.16 and 267,016.32

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Solution

The fourth proportional to 493,370.64, 680,852.16 and 267,016.32 is: 368,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,370.64 : 680,852.16 = 267,016.32 : x
  2. Step 2: Convert to fraction form
    493,370.64/680,852.16 = 267,016.32/x
  3. Step 3: Cross multiply
    493,370.64x = 680,852.16 × 267,016.32
  4. Step 4: Simplify right side
    493,370.64x = 181,798,638,227.25
  5. Step 5: Solve for x
    x = 181,798,638,227.25/493,370.64
  6. Step 6: Final answer
    x = 368,482.89

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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.