Home / 210,877.40-291,010.62-115,384.48

Finding the Fourth Proportional to 210,877.40, 291,010.62 and 115,384.48

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Solution

The fourth proportional to 210,877.40, 291,010.62 and 115,384.48 is: 159,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,877.40 : 291,010.62 = 115,384.48 : x
  2. Step 2: Convert to fraction form
    210,877.40/291,010.62 = 115,384.48/x
  3. Step 3: Cross multiply
    210,877.40x = 291,010.62 × 115,384.48
  4. Step 4: Simplify right side
    210,877.40x = 33,578,109,063.18
  5. Step 5: Solve for x
    x = 33,578,109,063.18/210,877.40
  6. Step 6: Final answer
    x = 159,230.48

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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.