Home / 282,312.81-389,592.06-153,251.25

Finding the Fourth Proportional to 282,312.81, 389,592.06 and 153,251.25

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Solution

The fourth proportional to 282,312.81, 389,592.06 and 153,251.25 is: 211,486.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,312.81 : 389,592.06 = 153,251.25 : x
  2. Step 2: Convert to fraction form
    282,312.81/389,592.06 = 153,251.25/x
  3. Step 3: Cross multiply
    282,312.81x = 389,592.06 × 153,251.25
  4. Step 4: Simplify right side
    282,312.81x = 59,705,470,185.08
  5. Step 5: Solve for x
    x = 59,705,470,185.08/282,312.81
  6. Step 6: Final answer
    x = 211,486.93

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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.