Finding the Fourth Proportional to 385,699.19, 576,203.28 and 249,655.03
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Solution
The fourth proportional to 385,699.19, 576,203.28 and 249,655.03 is: 372,964.35
Step by Step Solution
- Step 1: Write the proportion equation
385,699.19 : 576,203.28 = 249,655.03 : x - Step 2: Convert to fraction form
385,699.19/576,203.28 = 249,655.03/x - Step 3: Cross multiply
385,699.19x = 576,203.28 × 249,655.03 - Step 4: Simplify right side
385,699.19x = 143,852,045,713.99 - Step 5: Solve for x
x = 143,852,045,713.99/385,699.19 - Step 6: Final answer
x = 372,964.35
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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.