Home / 304,827.20-420,656.98-168,860.74

Finding the Fourth Proportional to 304,827.20, 420,656.98 and 168,860.74

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Solution

The fourth proportional to 304,827.20, 420,656.98 and 168,860.74 is: 233,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,827.20 : 420,656.98 = 168,860.74 : x
  2. Step 2: Convert to fraction form
    304,827.20/420,656.98 = 168,860.74/x
  3. Step 3: Cross multiply
    304,827.20x = 420,656.98 × 168,860.74
  4. Step 4: Simplify right side
    304,827.20x = 71,032,448,928.97
  5. Step 5: Solve for x
    x = 71,032,448,928.97/304,827.20
  6. Step 6: Final answer
    x = 233,025.30

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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.