Finding the Fourth Proportional to 267,753.48, 401,374.08 and 99,228.54
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Solution
The fourth proportional to 267,753.48, 401,374.08 and 99,228.54 is: 148,747.89
Step by Step Solution
- Step 1: Write the proportion equation
267,753.48 : 401,374.08 = 99,228.54 : x - Step 2: Convert to fraction form
267,753.48/401,374.08 = 99,228.54/x - Step 3: Cross multiply
267,753.48x = 401,374.08 × 99,228.54 - Step 4: Simplify right side
267,753.48x = 39,827,763,952.24 - Step 5: Solve for x
x = 39,827,763,952.24/267,753.48 - Step 6: Final answer
x = 148,747.89
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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.