Home / 282,150.45-389,367.08-153,088.89

Finding the Fourth Proportional to 282,150.45, 389,367.08 and 153,088.89

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Solution

The fourth proportional to 282,150.45, 389,367.08 and 153,088.89 is: 211,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,150.45 : 389,367.08 = 153,088.89 : x
  2. Step 2: Convert to fraction form
    282,150.45/389,367.08 = 153,088.89/x
  3. Step 3: Cross multiply
    282,150.45x = 389,367.08 × 153,088.89
  4. Step 4: Simplify right side
    282,150.45x = 59,607,774,079.74
  5. Step 5: Solve for x
    x = 59,607,774,079.74/282,150.45
  6. Step 6: Final answer
    x = 211,262.37

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1.5x scale

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.