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Finding the Fourth Proportional to 456,559.50, 630,054.27 and 255,355.50

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Solution

The fourth proportional to 456,559.50, 630,054.27 and 255,355.50 is: 352,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,559.50 : 630,054.27 = 255,355.50 : x
  2. Step 2: Convert to fraction form
    456,559.50/630,054.27 = 255,355.50/x
  3. Step 3: Cross multiply
    456,559.50x = 630,054.27 × 255,355.50
  4. Step 4: Simplify right side
    456,559.50x = 160,887,823,142.99
  5. Step 5: Solve for x
    x = 160,887,823,142.99/456,559.50
  6. Step 6: Final answer
    x = 352,391.80

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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.