Home / 429,239.08-643,870.83-113,696.02

Finding the Fourth Proportional to 429,239.08, 643,870.83 and 113,696.02

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Solution

The fourth proportional to 429,239.08, 643,870.83 and 113,696.02 is: 170,547.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,239.08 : 643,870.83 = 113,696.02 : x
  2. Step 2: Convert to fraction form
    429,239.08/643,870.83 = 113,696.02/x
  3. Step 3: Cross multiply
    429,239.08x = 643,870.83 × 113,696.02
  4. Step 4: Simplify right side
    429,239.08x = 73,205,550,765.10
  5. Step 5: Solve for x
    x = 73,205,550,765.10/429,239.08
  6. Step 6: Final answer
    x = 170,547.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.