Home / 229,916.22-317,278.50-133,106.64

Finding the Fourth Proportional to 229,916.22, 317,278.50 and 133,106.64

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Solution

The fourth proportional to 229,916.22, 317,278.50 and 133,106.64 is: 183,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,916.22 : 317,278.50 = 133,106.64 : x
  2. Step 2: Convert to fraction form
    229,916.22/317,278.50 = 133,106.64/x
  3. Step 3: Cross multiply
    229,916.22x = 317,278.50 × 133,106.64
  4. Step 4: Simplify right side
    229,916.22x = 42,231,875,079.24
  5. Step 5: Solve for x
    x = 42,231,875,079.24/229,916.22
  6. Step 6: Final answer
    x = 183,683.76

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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.