Home / 282,298.40-423,383.02-168,478.38

Finding the Fourth Proportional to 282,298.40, 423,383.02 and 168,478.38

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Solution

The fourth proportional to 282,298.40, 423,383.02 and 168,478.38 is: 252,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,298.40 : 423,383.02 = 168,478.38 : x
  2. Step 2: Convert to fraction form
    282,298.40/423,383.02 = 168,478.38/x
  3. Step 3: Cross multiply
    282,298.40x = 423,383.02 × 168,478.38
  4. Step 4: Simplify right side
    282,298.40x = 71,330,884,907.91
  5. Step 5: Solve for x
    x = 71,330,884,907.91/282,298.40
  6. Step 6: Final answer
    x = 252,679.03

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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.