Home / 228,692.09-343,038.88-57,913.71

Finding the Fourth Proportional to 228,692.09, 343,038.88 and 57,913.71

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Solution

The fourth proportional to 228,692.09, 343,038.88 and 57,913.71 is: 86,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,692.09 : 343,038.88 = 57,913.71 : x
  2. Step 2: Convert to fraction form
    228,692.09/343,038.88 = 57,913.71/x
  3. Step 3: Cross multiply
    228,692.09x = 343,038.88 × 57,913.71
  4. Step 4: Simplify right side
    228,692.09x = 19,866,653,001.04
  5. Step 5: Solve for x
    x = 19,866,653,001.04/228,692.09
  6. Step 6: Final answer
    x = 86,870.75

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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.