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Finding the Fourth Proportional to 154,809.60, 232,214.40 and 61,315.35

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Solution

The fourth proportional to 154,809.60, 232,214.40 and 61,315.35 is: 91,973.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,809.60 : 232,214.40 = 61,315.35 : x
  2. Step 2: Convert to fraction form
    154,809.60/232,214.40 = 61,315.35/x
  3. Step 3: Cross multiply
    154,809.60x = 232,214.40 × 61,315.35
  4. Step 4: Simplify right side
    154,809.60x = 14,238,307,211.04
  5. Step 5: Solve for x
    x = 14,238,307,211.04/154,809.60
  6. Step 6: Final answer
    x = 91,973.03

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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.