Home / 243,521.72-335,842.40-152,886.13

Finding the Fourth Proportional to 243,521.72, 335,842.40 and 152,886.13

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Solution

The fourth proportional to 243,521.72, 335,842.40 and 152,886.13 is: 210,846.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,521.72 : 335,842.40 = 152,886.13 : x
  2. Step 2: Convert to fraction form
    243,521.72/335,842.40 = 152,886.13/x
  3. Step 3: Cross multiply
    243,521.72x = 335,842.40 × 152,886.13
  4. Step 4: Simplify right side
    243,521.72x = 51,345,644,825.91
  5. Step 5: Solve for x
    x = 51,345,644,825.91/243,521.72
  6. Step 6: Final answer
    x = 210,846.26

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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.