Home / 290,827.15-401,341.46-170,069.90

Finding the Fourth Proportional to 290,827.15, 401,341.46 and 170,069.90

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Solution

The fourth proportional to 290,827.15, 401,341.46 and 170,069.90 is: 234,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,827.15 : 401,341.46 = 170,069.90 : x
  2. Step 2: Convert to fraction form
    290,827.15/401,341.46 = 170,069.90/x
  3. Step 3: Cross multiply
    290,827.15x = 401,341.46 × 170,069.90
  4. Step 4: Simplify right side
    290,827.15x = 68,256,099,111.00
  5. Step 5: Solve for x
    x = 68,256,099,111.00/290,827.15
  6. Step 6: Final answer
    x = 234,696.45

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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.