Home / 280,244.51-386,746.76-152,927.09

Finding the Fourth Proportional to 280,244.51, 386,746.76 and 152,927.09

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Solution

The fourth proportional to 280,244.51, 386,746.76 and 152,927.09 is: 211,044.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,244.51 : 386,746.76 = 152,927.09 : x
  2. Step 2: Convert to fraction form
    280,244.51/386,746.76 = 152,927.09/x
  3. Step 3: Cross multiply
    280,244.51x = 386,746.76 × 152,927.09
  4. Step 4: Simplify right side
    280,244.51x = 59,144,056,573.73
  5. Step 5: Solve for x
    x = 59,144,056,573.73/280,244.51
  6. Step 6: Final answer
    x = 211,044.48

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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.