Home / 203,478.24-304,907.52-103,488.60

Finding the Fourth Proportional to 203,478.24, 304,907.52 and 103,488.60

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Solution

The fourth proportional to 203,478.24, 304,907.52 and 103,488.60 is: 155,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,478.24 : 304,907.52 = 103,488.60 : x
  2. Step 2: Convert to fraction form
    203,478.24/304,907.52 = 103,488.60/x
  3. Step 3: Cross multiply
    203,478.24x = 304,907.52 × 103,488.60
  4. Step 4: Simplify right side
    203,478.24x = 31,554,452,374.27
  5. Step 5: Solve for x
    x = 31,554,452,374.27/203,478.24
  6. Step 6: Final answer
    x = 155,075.32

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1.5x scale

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.