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Finding the Fourth Proportional to 456,859.80, 630,471.50 and 252,914.10

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Solution

The fourth proportional to 456,859.80, 630,471.50 and 252,914.10 is: 349,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,859.80 : 630,471.50 = 252,914.10 : x
  2. Step 2: Convert to fraction form
    456,859.80/630,471.50 = 252,914.10/x
  3. Step 3: Cross multiply
    456,859.80x = 630,471.50 × 252,914.10
  4. Step 4: Simplify right side
    456,859.80x = 159,455,130,733.58
  5. Step 5: Solve for x
    x = 159,455,130,733.58/456,859.80
  6. Step 6: Final answer
    x = 349,024.21

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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.