Home / 380,928.29-525,499.88-227,935.67

Finding the Fourth Proportional to 380,928.29, 525,499.88 and 227,935.67

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Solution

The fourth proportional to 380,928.29, 525,499.88 and 227,935.67 is: 314,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,928.29 : 525,499.88 = 227,935.67 : x
  2. Step 2: Convert to fraction form
    380,928.29/525,499.88 = 227,935.67/x
  3. Step 3: Cross multiply
    380,928.29x = 525,499.88 × 227,935.67
  4. Step 4: Simplify right side
    380,928.29x = 119,780,163,465.54
  5. Step 5: Solve for x
    x = 119,780,163,465.54/380,928.29
  6. Step 6: Final answer
    x = 314,442.82

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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.