Finding the Fourth Proportional to 292,366.93, 438,725.35 and 126,154.93
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Solution
The fourth proportional to 292,366.93, 438,725.35 and 126,154.93 is: 189,307.89
Step by Step Solution
- Step 1: Write the proportion equation
292,366.93 : 438,725.35 = 126,154.93 : x - Step 2: Convert to fraction form
292,366.93/438,725.35 = 126,154.93/x - Step 3: Cross multiply
292,366.93x = 438,725.35 × 126,154.93 - Step 4: Simplify right side
292,366.93x = 55,347,365,818.48 - Step 5: Solve for x
x = 55,347,365,818.48/292,366.93 - Step 6: Final answer
x = 189,307.89
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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.