Home / 304,728.66-420,638.39-183,875.04

Finding the Fourth Proportional to 304,728.66, 420,638.39 and 183,875.04

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Solution

The fourth proportional to 304,728.66, 420,638.39 and 183,875.04 is: 253,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,728.66 : 420,638.39 = 183,875.04 : x
  2. Step 2: Convert to fraction form
    304,728.66/420,638.39 = 183,875.04/x
  3. Step 3: Cross multiply
    304,728.66x = 420,638.39 × 183,875.04
  4. Step 4: Simplify right side
    304,728.66x = 77,344,903,168.63
  5. Step 5: Solve for x
    x = 77,344,903,168.63/304,728.66
  6. Step 6: Final answer
    x = 253,815.65

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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.