Home / 253,677.07-349,277.70-215,357.23

Finding the Fourth Proportional to 253,677.07, 349,277.70 and 215,357.23

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Solution

The fourth proportional to 253,677.07, 349,277.70 and 215,357.23 is: 296,516.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,677.07 : 349,277.70 = 215,357.23 : x
  2. Step 2: Convert to fraction form
    253,677.07/349,277.70 = 215,357.23/x
  3. Step 3: Cross multiply
    253,677.07x = 349,277.70 × 215,357.23
  4. Step 4: Simplify right side
    253,677.07x = 75,219,477,972.77
  5. Step 5: Solve for x
    x = 75,219,477,972.77/253,677.07
  6. Step 6: Final answer
    x = 296,516.66

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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.