Home / 282,482.40-389,828.52-153,423.39

Finding the Fourth Proportional to 282,482.40, 389,828.52 and 153,423.39

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Solution

The fourth proportional to 282,482.40, 389,828.52 and 153,423.39 is: 211,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,482.40 : 389,828.52 = 153,423.39 : x
  2. Step 2: Convert to fraction form
    282,482.40/389,828.52 = 153,423.39/x
  3. Step 3: Cross multiply
    282,482.40x = 389,828.52 × 153,423.39
  4. Step 4: Simplify right side
    282,482.40x = 59,808,813,927.93
  5. Step 5: Solve for x
    x = 59,808,813,927.93/282,482.40
  6. Step 6: Final answer
    x = 211,725.81

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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.