Finding the Fourth Proportional to 509,335.59, 702,883.12 and 282,981.09
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Solution
The fourth proportional to 509,335.59, 702,883.12 and 282,981.09 is: 390,513.91
Step by Step Solution
- Step 1: Write the proportion equation
509,335.59 : 702,883.12 = 282,981.09 : x - Step 2: Convert to fraction form
509,335.59/702,883.12 = 282,981.09/x - Step 3: Cross multiply
509,335.59x = 702,883.12 × 282,981.09 - Step 4: Simplify right side
509,335.59x = 198,902,633,899.15 - Step 5: Solve for x
x = 198,902,633,899.15/509,335.59 - Step 6: Final answer
x = 390,513.91
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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.