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Finding the Fourth Proportional to 265,136.63, 365,888.61 and 151,959.38

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Solution

The fourth proportional to 265,136.63, 365,888.61 and 151,959.38 is: 209,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,136.63 : 365,888.61 = 151,959.38 : x
  2. Step 2: Convert to fraction form
    265,136.63/365,888.61 = 151,959.38/x
  3. Step 3: Cross multiply
    265,136.63x = 365,888.61 × 151,959.38
  4. Step 4: Simplify right side
    265,136.63x = 55,600,204,495.22
  5. Step 5: Solve for x
    x = 55,600,204,495.22/265,136.63
  6. Step 6: Final answer
    x = 209,703.98

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1.5x scale

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.