Home / 854,518.95-1,281,851.60-223,431.75

Finding the Fourth Proportional to 854,518.95, 1,281,851.60 and 223,431.75

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Solution

The fourth proportional to 854,518.95, 1,281,851.60 and 223,431.75 is: 335,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,518.95 : 1,281,851.60 = 223,431.75 : x
  2. Step 2: Convert to fraction form
    854,518.95/1,281,851.60 = 223,431.75/x
  3. Step 3: Cross multiply
    854,518.95x = 1,281,851.60 × 223,431.75
  4. Step 4: Simplify right side
    854,518.95x = 286,406,345,111.14
  5. Step 5: Solve for x
    x = 286,406,345,111.14/854,518.95
  6. Step 6: Final answer
    x = 335,166.76

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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.