Home / 304,633.40-420,407.24-168,667.35

Finding the Fourth Proportional to 304,633.40, 420,407.24 and 168,667.35

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Solution

The fourth proportional to 304,633.40, 420,407.24 and 168,667.35 is: 232,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,633.40 : 420,407.24 = 168,667.35 : x
  2. Step 2: Convert to fraction form
    304,633.40/420,407.24 = 168,667.35/x
  3. Step 3: Cross multiply
    304,633.40x = 420,407.24 × 168,667.35
  4. Step 4: Simplify right side
    304,633.40x = 70,908,974,248.28
  5. Step 5: Solve for x
    x = 70,908,974,248.28/304,633.40
  6. Step 6: Final answer
    x = 232,768.22

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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.