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Finding the Fourth Proportional to 604,085.80, 906,258.30 and 183,404.20

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Solution

The fourth proportional to 604,085.80, 906,258.30 and 183,404.20 is: 275,145.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,085.80 : 906,258.30 = 183,404.20 : x
  2. Step 2: Convert to fraction form
    604,085.80/906,258.30 = 183,404.20/x
  3. Step 3: Cross multiply
    604,085.80x = 906,258.30 × 183,404.20
  4. Step 4: Simplify right side
    604,085.80x = 166,211,578,504.86
  5. Step 5: Solve for x
    x = 166,211,578,504.86/604,085.80
  6. Step 6: Final answer
    x = 275,145.65

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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.