Finding the Fourth Proportional to 249,712.07, 344,603.99 and 136,534.82
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Solution
The fourth proportional to 249,712.07, 344,603.99 and 136,534.82 is: 188,418.78
Step by Step Solution
- Step 1: Write the proportion equation
249,712.07 : 344,603.99 = 136,534.82 : x - Step 2: Convert to fraction form
249,712.07/344,603.99 = 136,534.82/x - Step 3: Cross multiply
249,712.07x = 344,603.99 × 136,534.82 - Step 4: Simplify right side
249,712.07x = 47,050,443,745.93 - Step 5: Solve for x
x = 47,050,443,745.93/249,712.07 - Step 6: Final answer
x = 188,418.78
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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.