Home / 402,248.23-555,075.18-220,967.80

Finding the Fourth Proportional to 402,248.23, 555,075.18 and 220,967.80

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Solution

The fourth proportional to 402,248.23, 555,075.18 and 220,967.80 is: 304,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,248.23 : 555,075.18 = 220,967.80 : x
  2. Step 2: Convert to fraction form
    402,248.23/555,075.18 = 220,967.80/x
  3. Step 3: Cross multiply
    402,248.23x = 555,075.18 × 220,967.80
  4. Step 4: Simplify right side
    402,248.23x = 122,653,739,971.52
  5. Step 5: Solve for x
    x = 122,653,739,971.52/402,248.23
  6. Step 6: Final answer
    x = 304,920.52

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1.5x scale

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.