Home / 284,925.16-426,460.55-210,015.28

Finding the Fourth Proportional to 284,925.16, 426,460.55 and 210,015.28

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Solution

The fourth proportional to 284,925.16, 426,460.55 and 210,015.28 is: 314,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,925.16 : 426,460.55 = 210,015.28 : x
  2. Step 2: Convert to fraction form
    284,925.16/426,460.55 = 210,015.28/x
  3. Step 3: Cross multiply
    284,925.16x = 426,460.55 × 210,015.28
  4. Step 4: Simplify right side
    284,925.16x = 89,563,229,684.90
  5. Step 5: Solve for x
    x = 89,563,229,684.90/284,925.16
  6. Step 6: Final answer
    x = 314,339.50

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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.