Home / 456,962.21-630,631.12-253,035.66

Finding the Fourth Proportional to 456,962.21, 630,631.12 and 253,035.66

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Solution

The fourth proportional to 456,962.21, 630,631.12 and 253,035.66 is: 349,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,962.21 : 630,631.12 = 253,035.66 : x
  2. Step 2: Convert to fraction form
    456,962.21/630,631.12 = 253,035.66/x
  3. Step 3: Cross multiply
    456,962.21x = 630,631.12 × 253,035.66
  4. Step 4: Simplify right side
    456,962.21x = 159,572,161,665.74
  5. Step 5: Solve for x
    x = 159,572,161,665.74/456,962.21
  6. Step 6: Final answer
    x = 349,202.10

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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.