Home / 210,340.84-315,512.16-52,569.52

Finding the Fourth Proportional to 210,340.84, 315,512.16 and 52,569.52

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Solution

The fourth proportional to 210,340.84, 315,512.16 and 52,569.52 is: 78,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,340.84 : 315,512.16 = 52,569.52 : x
  2. Step 2: Convert to fraction form
    210,340.84/315,512.16 = 52,569.52/x
  3. Step 3: Cross multiply
    210,340.84x = 315,512.16 × 52,569.52
  4. Step 4: Simplify right side
    210,340.84x = 16,586,322,805.36
  5. Step 5: Solve for x
    x = 16,586,322,805.36/210,340.84
  6. Step 6: Final answer
    x = 78,854.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.