Home / 210,320.61-290,240.95-114,827.30

Finding the Fourth Proportional to 210,320.61, 290,240.95 and 114,827.30

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Solution

The fourth proportional to 210,320.61, 290,240.95 and 114,827.30 is: 158,460.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,320.61 : 290,240.95 = 114,827.30 : x
  2. Step 2: Convert to fraction form
    210,320.61/290,240.95 = 114,827.30/x
  3. Step 3: Cross multiply
    210,320.61x = 290,240.95 × 114,827.30
  4. Step 4: Simplify right side
    210,320.61x = 33,327,584,637.94
  5. Step 5: Solve for x
    x = 33,327,584,637.94/210,320.61
  6. Step 6: Final answer
    x = 158,460.86

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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.