Home / 290,715.18-401,154.83-174,422.48

Finding the Fourth Proportional to 290,715.18, 401,154.83 and 174,422.48

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Solution

The fourth proportional to 290,715.18, 401,154.83 and 174,422.48 is: 240,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,715.18 : 401,154.83 = 174,422.48 : x
  2. Step 2: Convert to fraction form
    290,715.18/401,154.83 = 174,422.48/x
  3. Step 3: Cross multiply
    290,715.18x = 401,154.83 × 174,422.48
  4. Step 4: Simplify right side
    290,715.18x = 69,970,417,434.69
  5. Step 5: Solve for x
    x = 69,970,417,434.69/290,715.18
  6. Step 6: Final answer
    x = 240,683.74

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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.