Home / 280,240.52-386,741.24-152,923.08

Finding the Fourth Proportional to 280,240.52, 386,741.24 and 152,923.08

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Solution

The fourth proportional to 280,240.52, 386,741.24 and 152,923.08 is: 211,038.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,240.52 : 386,741.24 = 152,923.08 : x
  2. Step 2: Convert to fraction form
    280,240.52/386,741.24 = 152,923.08/x
  3. Step 3: Cross multiply
    280,240.52x = 386,741.24 × 152,923.08
  4. Step 4: Simplify right side
    280,240.52x = 59,141,661,583.82
  5. Step 5: Solve for x
    x = 59,141,661,583.82/280,240.52
  6. Step 6: Final answer
    x = 211,038.94

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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.