Home / 282,242.58-389,497.67-153,182.16

Finding the Fourth Proportional to 282,242.58, 389,497.67 and 153,182.16

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Solution

The fourth proportional to 282,242.58, 389,497.67 and 153,182.16 is: 211,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,242.58 : 389,497.67 = 153,182.16 : x
  2. Step 2: Convert to fraction form
    282,242.58/389,497.67 = 153,182.16/x
  3. Step 3: Cross multiply
    282,242.58x = 389,497.67 × 153,182.16
  4. Step 4: Simplify right side
    282,242.58x = 59,664,094,405.57
  5. Step 5: Solve for x
    x = 59,664,094,405.57/282,242.58
  6. Step 6: Final answer
    x = 211,392.96

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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.