Home / 211,007.32-316,509.61-53,235.92

Finding the Fourth Proportional to 211,007.32, 316,509.61 and 53,235.92

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Solution

The fourth proportional to 211,007.32, 316,509.61 and 53,235.92 is: 79,853.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,007.32 : 316,509.61 = 53,235.92 : x
  2. Step 2: Convert to fraction form
    211,007.32/316,509.61 = 53,235.92/x
  3. Step 3: Cross multiply
    211,007.32x = 316,509.61 × 53,235.92
  4. Step 4: Simplify right side
    211,007.32x = 16,849,680,277.19
  5. Step 5: Solve for x
    x = 16,849,680,277.19/211,007.32
  6. Step 6: Final answer
    x = 79,853.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.