Finding the Fourth Proportional to 249,403.60, 344,173.08 and 136,223.92
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Solution
The fourth proportional to 249,403.60, 344,173.08 and 136,223.92 is: 187,986.89
Step by Step Solution
- Step 1: Write the proportion equation
249,403.60 : 344,173.08 = 136,223.92 : x - Step 2: Convert to fraction form
249,403.60/344,173.08 = 136,223.92/x - Step 3: Cross multiply
249,403.60x = 344,173.08 × 136,223.92 - Step 4: Simplify right side
249,403.60x = 46,884,606,116.07 - Step 5: Solve for x
x = 46,884,606,116.07/249,403.60 - Step 6: Final answer
x = 187,986.89
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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.