Home / 212,844.21-293,482.13-159,038.61

Finding the Fourth Proportional to 212,844.21, 293,482.13 and 159,038.61

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Solution

The fourth proportional to 212,844.21, 293,482.13 and 159,038.61 is: 219,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,844.21 : 293,482.13 = 159,038.61 : x
  2. Step 2: Convert to fraction form
    212,844.21/293,482.13 = 159,038.61/x
  3. Step 3: Cross multiply
    212,844.21x = 293,482.13 × 159,038.61
  4. Step 4: Simplify right side
    212,844.21x = 46,674,990,015.04
  5. Step 5: Solve for x
    x = 46,674,990,015.04/212,844.21
  6. Step 6: Final answer
    x = 219,291.80

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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.