Finding the Fourth Proportional to 307,335.12, 461,058.48 and 149,563.68
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Solution
The fourth proportional to 307,335.12, 461,058.48 and 149,563.68 is: 224,372.67
Step by Step Solution
- Step 1: Write the proportion equation
307,335.12 : 461,058.48 = 149,563.68 : x - Step 2: Convert to fraction form
307,335.12/461,058.48 = 149,563.68/x - Step 3: Cross multiply
307,335.12x = 461,058.48 × 149,563.68 - Step 4: Simplify right side
307,335.12x = 68,957,602,964.01 - Step 5: Solve for x
x = 68,957,602,964.01/307,335.12 - Step 6: Final answer
x = 224,372.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.