Home / 243,011.20-364,516.80-154,328.35

Finding the Fourth Proportional to 243,011.20, 364,516.80 and 154,328.35

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Solution

The fourth proportional to 243,011.20, 364,516.80 and 154,328.35 is: 231,492.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,011.20 : 364,516.80 = 154,328.35 : x
  2. Step 2: Convert to fraction form
    243,011.20/364,516.80 = 154,328.35/x
  3. Step 3: Cross multiply
    243,011.20x = 364,516.80 × 154,328.35
  4. Step 4: Simplify right side
    243,011.20x = 56,255,276,291.28
  5. Step 5: Solve for x
    x = 56,255,276,291.28/243,011.20
  6. Step 6: Final answer
    x = 231,492.53

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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.