Finding the Fourth Proportional to 354,547.19, 489,278.24 and 193,402.95
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Solution
The fourth proportional to 354,547.19, 489,278.24 and 193,402.95 is: 266,897.77
Step by Step Solution
- Step 1: Write the proportion equation
354,547.19 : 489,278.24 = 193,402.95 : x - Step 2: Convert to fraction form
354,547.19/489,278.24 = 193,402.95/x - Step 3: Cross multiply
354,547.19x = 489,278.24 × 193,402.95 - Step 4: Simplify right side
354,547.19x = 94,627,854,019.79 - Step 5: Solve for x
x = 94,627,854,019.79/354,547.19 - Step 6: Final answer
x = 266,897.77
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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.