Home / 210,151.40-313,376.27-208,256.00

Finding the Fourth Proportional to 210,151.40, 313,376.27 and 208,256.00

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Solution

The fourth proportional to 210,151.40, 313,376.27 and 208,256.00 is: 310,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,151.40 : 313,376.27 = 208,256.00 : x
  2. Step 2: Convert to fraction form
    210,151.40/313,376.27 = 208,256.00/x
  3. Step 3: Cross multiply
    210,151.40x = 313,376.27 × 208,256.00
  4. Step 4: Simplify right side
    210,151.40x = 65,262,485,876.96
  5. Step 5: Solve for x
    x = 65,262,485,876.96/210,151.40
  6. Step 6: Final answer
    x = 310,549.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.