Home / 229,576.10-316,705.69-153,130.50

Finding the Fourth Proportional to 229,576.10, 316,705.69 and 153,130.50

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Solution

The fourth proportional to 229,576.10, 316,705.69 and 153,130.50 is: 211,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,576.10 : 316,705.69 = 153,130.50 : x
  2. Step 2: Convert to fraction form
    229,576.10/316,705.69 = 153,130.50/x
  3. Step 3: Cross multiply
    229,576.10x = 316,705.69 × 153,130.50
  4. Step 4: Simplify right side
    229,576.10x = 48,497,300,662.55
  5. Step 5: Solve for x
    x = 48,497,300,662.55/229,576.10
  6. Step 6: Final answer
    x = 211,247.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.