Finding the Fourth Proportional to 359,986.48, 539,972.64 and 107,438.08
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Solution
The fourth proportional to 359,986.48, 539,972.64 and 107,438.08 is: 161,155.01
Step by Step Solution
- Step 1: Write the proportion equation
359,986.48 : 539,972.64 = 107,438.08 : x - Step 2: Convert to fraction form
359,986.48/539,972.64 = 107,438.08/x - Step 3: Cross multiply
359,986.48x = 539,972.64 × 107,438.08 - Step 4: Simplify right side
359,986.48x = 58,013,623,694.13 - Step 5: Solve for x
x = 58,013,623,694.13/359,986.48 - Step 6: Final answer
x = 161,155.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.