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Finding the Fourth Proportional to 456,557.50, 630,051.51 and 255,353.50

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Solution

The fourth proportional to 456,557.50, 630,051.51 and 255,353.50 is: 352,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,557.50 : 630,051.51 = 255,353.50 : x
  2. Step 2: Convert to fraction form
    456,557.50/630,051.51 = 255,353.50/x
  3. Step 3: Cross multiply
    456,557.50x = 630,051.51 × 255,353.50
  4. Step 4: Simplify right side
    456,557.50x = 160,885,858,258.79
  5. Step 5: Solve for x
    x = 160,885,858,258.79/456,557.50
  6. Step 6: Final answer
    x = 352,389.04

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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.