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Finding the Fourth Proportional to 511,415.36, 767,533.92 and 230,957.12

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Solution

The fourth proportional to 511,415.36, 767,533.92 and 230,957.12 is: 346,621.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,415.36 : 767,533.92 = 230,957.12 : x
  2. Step 2: Convert to fraction form
    511,415.36/767,533.92 = 230,957.12/x
  3. Step 3: Cross multiply
    511,415.36x = 767,533.92 × 230,957.12
  4. Step 4: Simplify right side
    511,415.36x = 177,267,423,665.51
  5. Step 5: Solve for x
    x = 177,267,423,665.51/511,415.36
  6. Step 6: Final answer
    x = 346,621.23

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1.5x scale

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.