Finding the Fourth Proportional to 249,259.88, 343,959.21 and 147,266.00
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Solution
The fourth proportional to 249,259.88, 343,959.21 and 147,266.00 is: 203,215.60
Step by Step Solution
- Step 1: Write the proportion equation
249,259.88 : 343,959.21 = 147,266.00 : x - Step 2: Convert to fraction form
249,259.88/343,959.21 = 147,266.00/x - Step 3: Cross multiply
249,259.88x = 343,959.21 × 147,266.00 - Step 4: Simplify right side
249,259.88x = 50,653,496,589.91 - Step 5: Solve for x
x = 50,653,496,589.91/249,259.88 - Step 6: Final answer
x = 203,215.60
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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.