Finding the Fourth Proportional to 385,698.70, 576,202.56 and 249,654.55
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Solution
The fourth proportional to 385,698.70, 576,202.56 and 249,654.55 is: 372,963.63
Step by Step Solution
- Step 1: Write the proportion equation
385,698.70 : 576,202.56 = 249,654.55 : x - Step 2: Convert to fraction form
385,698.70/576,202.56 = 249,654.55/x - Step 3: Cross multiply
385,698.70x = 576,202.56 × 249,654.55 - Step 4: Simplify right side
385,698.70x = 143,851,587,944.64 - Step 5: Solve for x
x = 143,851,587,944.64/385,698.70 - Step 6: Final answer
x = 372,963.63
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.