Home / 293,547.12-405,094.68-159,410.16

Finding the Fourth Proportional to 293,547.12, 405,094.68 and 159,410.16

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Solution

The fourth proportional to 293,547.12, 405,094.68 and 159,410.16 is: 219,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,547.12 : 405,094.68 = 159,410.16 : x
  2. Step 2: Convert to fraction form
    293,547.12/405,094.68 = 159,410.16/x
  3. Step 3: Cross multiply
    293,547.12x = 405,094.68 × 159,410.16
  4. Step 4: Simplify right side
    293,547.12x = 64,576,207,753.95
  5. Step 5: Solve for x
    x = 64,576,207,753.95/293,547.12
  6. Step 6: Final answer
    x = 219,985.83

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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.