Home / 210,390.66-290,340.18-114,897.35

Finding the Fourth Proportional to 210,390.66, 290,340.18 and 114,897.35

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Solution

The fourth proportional to 210,390.66, 290,340.18 and 114,897.35 is: 158,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,390.66 : 290,340.18 = 114,897.35 : x
  2. Step 2: Convert to fraction form
    210,390.66/290,340.18 = 114,897.35/x
  3. Step 3: Cross multiply
    210,390.66x = 290,340.18 × 114,897.35
  4. Step 4: Simplify right side
    210,390.66x = 33,359,318,006.37
  5. Step 5: Solve for x
    x = 33,359,318,006.37/210,390.66
  6. Step 6: Final answer
    x = 158,558.93

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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.