Home / 253,024.56-349,435.35-218,869.07

Finding the Fourth Proportional to 253,024.56, 349,435.35 and 218,869.07

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Solution

The fourth proportional to 253,024.56, 349,435.35 and 218,869.07 is: 302,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,024.56 : 349,435.35 = 218,869.07 : x
  2. Step 2: Convert to fraction form
    253,024.56/349,435.35 = 218,869.07/x
  3. Step 3: Cross multiply
    253,024.56x = 349,435.35 × 218,869.07
  4. Step 4: Simplify right side
    253,024.56x = 76,480,588,332.45
  5. Step 5: Solve for x
    x = 76,480,588,332.45/253,024.56
  6. Step 6: Final answer
    x = 302,265.47

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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.