Finding the Fourth Proportional to 249,531.50, 344,355.90 and 136,356.68
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Solution
The fourth proportional to 249,531.50, 344,355.90 and 136,356.68 is: 188,173.55
Step by Step Solution
- Step 1: Write the proportion equation
249,531.50 : 344,355.90 = 136,356.68 : x - Step 2: Convert to fraction form
249,531.50/344,355.90 = 136,356.68/x - Step 3: Cross multiply
249,531.50x = 344,355.90 × 136,356.68 - Step 4: Simplify right side
249,531.50x = 46,955,227,262.41 - Step 5: Solve for x
x = 46,955,227,262.41/249,531.50 - Step 6: Final answer
x = 188,173.55
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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.