Home / 456,934.06-684,994.23-216,899.89

Finding the Fourth Proportional to 456,934.06, 684,994.23 and 216,899.89

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Solution

The fourth proportional to 456,934.06, 684,994.23 and 216,899.89 is: 325,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,934.06 : 684,994.23 = 216,899.89 : x
  2. Step 2: Convert to fraction form
    456,934.06/684,994.23 = 216,899.89/x
  3. Step 3: Cross multiply
    456,934.06x = 684,994.23 × 216,899.89
  4. Step 4: Simplify right side
    456,934.06x = 148,575,173,137.64
  5. Step 5: Solve for x
    x = 148,575,173,137.64/456,934.06
  6. Step 6: Final answer
    x = 325,156.70

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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.