Finding the Fourth Proportional to 509,121.50, 702,587.67 and 282,788.06
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Solution
The fourth proportional to 509,121.50, 702,587.67 and 282,788.06 is: 390,247.52
Step by Step Solution
- Step 1: Write the proportion equation
509,121.50 : 702,587.67 = 282,788.06 : x - Step 2: Convert to fraction form
509,121.50/702,587.67 = 282,788.06/x - Step 3: Cross multiply
509,121.50x = 702,587.67 × 282,788.06 - Step 4: Simplify right side
509,121.50x = 198,683,404,179.22 - Step 5: Solve for x
x = 198,683,404,179.22/509,121.50 - Step 6: Final answer
x = 390,247.52
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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.