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Finding the Fourth Proportional to 460,119.30, 634,800.30 and 266,421.30

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Solution

The fourth proportional to 460,119.30, 634,800.30 and 266,421.30 is: 367,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,119.30 : 634,800.30 = 266,421.30 : x
  2. Step 2: Convert to fraction form
    460,119.30/634,800.30 = 266,421.30/x
  3. Step 3: Cross multiply
    460,119.30x = 634,800.30 × 266,421.30
  4. Step 4: Simplify right side
    460,119.30x = 169,124,321,166.39
  5. Step 5: Solve for x
    x = 169,124,321,166.39/460,119.30
  6. Step 6: Final answer
    x = 367,566.24

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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.