Home / 258,530.65-356,655.69-151,052.36

Finding the Fourth Proportional to 258,530.65, 356,655.69 and 151,052.36

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Solution

The fourth proportional to 258,530.65, 356,655.69 and 151,052.36 is: 208,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,530.65 : 356,655.69 = 151,052.36 : x
  2. Step 2: Convert to fraction form
    258,530.65/356,655.69 = 151,052.36/x
  3. Step 3: Cross multiply
    258,530.65x = 356,655.69 × 151,052.36
  4. Step 4: Simplify right side
    258,530.65x = 53,873,681,898.65
  5. Step 5: Solve for x
    x = 53,873,681,898.65/258,530.65
  6. Step 6: Final answer
    x = 208,384.12

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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.