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Finding the Fourth Proportional to 253,587.51, 349,871.40 and 146,142.83

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Solution

The fourth proportional to 253,587.51, 349,871.40 and 146,142.83 is: 201,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,587.51 : 349,871.40 = 146,142.83 : x
  2. Step 2: Convert to fraction form
    253,587.51/349,871.40 = 146,142.83/x
  3. Step 3: Cross multiply
    253,587.51x = 349,871.40 × 146,142.83
  4. Step 4: Simplify right side
    253,587.51x = 51,131,197,406.74
  5. Step 5: Solve for x
    x = 51,131,197,406.74/253,587.51
  6. Step 6: Final answer
    x = 201,631.37

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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.