Home / 306,056.30-422,347.57-168,235.69

Finding the Fourth Proportional to 306,056.30, 422,347.57 and 168,235.69

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Solution

The fourth proportional to 306,056.30, 422,347.57 and 168,235.69 is: 232,159.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,056.30 : 422,347.57 = 168,235.69 : x
  2. Step 2: Convert to fraction form
    306,056.30/422,347.57 = 168,235.69/x
  3. Step 3: Cross multiply
    306,056.30x = 422,347.57 × 168,235.69
  4. Step 4: Simplify right side
    306,056.30x = 71,053,934,199.46
  5. Step 5: Solve for x
    x = 71,053,934,199.46/306,056.30
  6. Step 6: Final answer
    x = 232,159.69

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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.