Home / 220,421.04-304,184.37-123,646.35

Finding the Fourth Proportional to 220,421.04, 304,184.37 and 123,646.35

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Solution

The fourth proportional to 220,421.04, 304,184.37 and 123,646.35 is: 170,633.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,421.04 : 304,184.37 = 123,646.35 : x
  2. Step 2: Convert to fraction form
    220,421.04/304,184.37 = 123,646.35/x
  3. Step 3: Cross multiply
    220,421.04x = 304,184.37 × 123,646.35
  4. Step 4: Simplify right side
    220,421.04x = 37,611,284,938.40
  5. Step 5: Solve for x
    x = 37,611,284,938.40/220,421.04
  6. Step 6: Final answer
    x = 170,633.82

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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.