Home / 212,823.36-319,281.76-63,075.20

Finding the Fourth Proportional to 212,823.36, 319,281.76 and 63,075.20

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Solution

The fourth proportional to 212,823.36, 319,281.76 and 63,075.20 is: 94,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,823.36 : 319,281.76 = 63,075.20 : x
  2. Step 2: Convert to fraction form
    212,823.36/319,281.76 = 63,075.20/x
  3. Step 3: Cross multiply
    212,823.36x = 319,281.76 × 63,075.20
  4. Step 4: Simplify right side
    212,823.36x = 20,138,760,868.35
  5. Step 5: Solve for x
    x = 20,138,760,868.35/212,823.36
  6. Step 6: Final answer
    x = 94,626.65

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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.