Finding the Fourth Proportional to 577,718.92, 866,403.42 and 156,940.12
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Solution
The fourth proportional to 577,718.92, 866,403.42 and 156,940.12 is: 235,362.65
Step by Step Solution
- Step 1: Write the proportion equation
577,718.92 : 866,403.42 = 156,940.12 : x - Step 2: Convert to fraction form
577,718.92/866,403.42 = 156,940.12/x - Step 3: Cross multiply
577,718.92x = 866,403.42 × 156,940.12 - Step 4: Simplify right side
577,718.92x = 135,973,456,703.21 - Step 5: Solve for x
x = 135,973,456,703.21/577,718.92 - Step 6: Final answer
x = 235,362.65
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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.