Finding the Fourth Proportional to 291,527.09, 402,169.93 and 170,594.20
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Solution
The fourth proportional to 291,527.09, 402,169.93 and 170,594.20 is: 235,339.55
Step by Step Solution
- Step 1: Write the proportion equation
291,527.09 : 402,169.93 = 170,594.20 : x - Step 2: Convert to fraction form
291,527.09/402,169.93 = 170,594.20/x - Step 3: Cross multiply
291,527.09x = 402,169.93 × 170,594.20 - Step 4: Simplify right side
291,527.09x = 68,607,854,608.59 - Step 5: Solve for x
x = 68,607,854,608.59/291,527.09 - Step 6: Final answer
x = 235,339.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.