Finding the Fourth Proportional to 276,398.88, 381,437.82 and 155,544.48
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Solution
The fourth proportional to 276,398.88, 381,437.82 and 155,544.48 is: 214,655.53
Step by Step Solution
- Step 1: Write the proportion equation
276,398.88 : 381,437.82 = 155,544.48 : x - Step 2: Convert to fraction form
276,398.88/381,437.82 = 155,544.48/x - Step 3: Cross multiply
276,398.88x = 381,437.82 × 155,544.48 - Step 4: Simplify right side
276,398.88x = 59,330,547,364.23 - Step 5: Solve for x
x = 59,330,547,364.23/276,398.88 - Step 6: Final answer
x = 214,655.53
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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.