Home / 225,338.14-310,607.22-152,718.40

Finding the Fourth Proportional to 225,338.14, 310,607.22 and 152,718.40

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Solution

The fourth proportional to 225,338.14, 310,607.22 and 152,718.40 is: 210,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,338.14 : 310,607.22 = 152,718.40 : x
  2. Step 2: Convert to fraction form
    225,338.14/310,607.22 = 152,718.40/x
  3. Step 3: Cross multiply
    225,338.14x = 310,607.22 × 152,718.40
  4. Step 4: Simplify right side
    225,338.14x = 47,435,437,666.85
  5. Step 5: Solve for x
    x = 47,435,437,666.85/225,338.14
  6. Step 6: Final answer
    x = 210,507.81

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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.