Home / 303,128.60-418,317.28-174,075.50

Finding the Fourth Proportional to 303,128.60, 418,317.28 and 174,075.50

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Solution

The fourth proportional to 303,128.60, 418,317.28 and 174,075.50 is: 240,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,128.60 : 418,317.28 = 174,075.50 : x
  2. Step 2: Convert to fraction form
    303,128.60/418,317.28 = 174,075.50/x
  3. Step 3: Cross multiply
    303,128.60x = 418,317.28 × 174,075.50
  4. Step 4: Simplify right side
    303,128.60x = 72,818,790,285.24
  5. Step 5: Solve for x
    x = 72,818,790,285.24/303,128.60
  6. Step 6: Final answer
    x = 240,224.09

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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.