Home / 371,320.34-556,991.31-90,837.50

Finding the Fourth Proportional to 371,320.34, 556,991.31 and 90,837.50

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Solution

The fourth proportional to 371,320.34, 556,991.31 and 90,837.50 is: 136,258.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,320.34 : 556,991.31 = 90,837.50 : x
  2. Step 2: Convert to fraction form
    371,320.34/556,991.31 = 90,837.50/x
  3. Step 3: Cross multiply
    371,320.34x = 556,991.31 × 90,837.50
  4. Step 4: Simplify right side
    371,320.34x = 50,595,698,122.13
  5. Step 5: Solve for x
    x = 50,595,698,122.13/371,320.34
  6. Step 6: Final answer
    x = 136,258.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.