Home / 380,838.93-525,558.15-211,073.19

Finding the Fourth Proportional to 380,838.93, 525,558.15 and 211,073.19

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Solution

The fourth proportional to 380,838.93, 525,558.15 and 211,073.19 is: 291,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,838.93 : 525,558.15 = 211,073.19 : x
  2. Step 2: Convert to fraction form
    380,838.93/525,558.15 = 211,073.19/x
  3. Step 3: Cross multiply
    380,838.93x = 525,558.15 × 211,073.19
  4. Step 4: Simplify right side
    380,838.93x = 110,931,235,251.00
  5. Step 5: Solve for x
    x = 110,931,235,251.00/380,838.93
  6. Step 6: Final answer
    x = 291,281.24

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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.