Finding the Fourth Proportional to 353,120.55, 528,903.23 and 247,366.95
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Solution
The fourth proportional to 353,120.55, 528,903.23 and 247,366.95 is: 370,505.70
Step by Step Solution
- Step 1: Write the proportion equation
353,120.55 : 528,903.23 = 247,366.95 : x - Step 2: Convert to fraction form
353,120.55/528,903.23 = 247,366.95/x - Step 3: Cross multiply
353,120.55x = 528,903.23 × 247,366.95 - Step 4: Simplify right side
353,120.55x = 130,833,177,613.41 - Step 5: Solve for x
x = 130,833,177,613.41/353,120.55 - Step 6: Final answer
x = 370,505.70
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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.