Finding the Fourth Proportional to 249,716.25, 344,603.19 and 136,539.00
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Solution
The fourth proportional to 249,716.25, 344,603.19 and 136,539.00 is: 188,420.95
Step by Step Solution
- Step 1: Write the proportion equation
249,716.25 : 344,603.19 = 136,539.00 : x - Step 2: Convert to fraction form
249,716.25/344,603.19 = 136,539.00/x - Step 3: Cross multiply
249,716.25x = 344,603.19 × 136,539.00 - Step 4: Simplify right side
249,716.25x = 47,051,773,236.39 - Step 5: Solve for x
x = 47,051,773,236.39/249,716.25 - Step 6: Final answer
x = 188,420.95
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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.