Home / 228,051.30-342,076.95-115,688.10

Finding the Fourth Proportional to 228,051.30, 342,076.95 and 115,688.10

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Solution

The fourth proportional to 228,051.30, 342,076.95 and 115,688.10 is: 173,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,051.30 : 342,076.95 = 115,688.10 : x
  2. Step 2: Convert to fraction form
    228,051.30/342,076.95 = 115,688.10/x
  3. Step 3: Cross multiply
    228,051.30x = 342,076.95 × 115,688.10
  4. Step 4: Simplify right side
    228,051.30x = 39,574,232,399.30
  5. Step 5: Solve for x
    x = 39,574,232,399.30/228,051.30
  6. Step 6: Final answer
    x = 173,532.15

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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.