Home / 304,515.30-420,220.38-168,549.51

Finding the Fourth Proportional to 304,515.30, 420,220.38 and 168,549.51

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Solution

The fourth proportional to 304,515.30, 420,220.38 and 168,549.51 is: 232,592.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,515.30 : 420,220.38 = 168,549.51 : x
  2. Step 2: Convert to fraction form
    304,515.30/420,220.38 = 168,549.51/x
  3. Step 3: Cross multiply
    304,515.30x = 420,220.38 × 168,549.51
  4. Step 4: Simplify right side
    304,515.30x = 70,827,939,141.01
  5. Step 5: Solve for x
    x = 70,827,939,141.01/304,515.30
  6. Step 6: Final answer
    x = 232,592.38

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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.