Finding the Fourth Proportional to 438,792, 658,188 and 106,368
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Solution
The fourth proportional to 438,792, 658,188 and 106,368 is: 159,552
Step by Step Solution
- Step 1: Write the proportion equation
438,792 : 658,188 = 106,368 : x - Step 2: Convert to fraction form
438,792/658,188 = 106,368/x - Step 3: Cross multiply
438,792x = 658,188 × 106,368 - Step 4: Simplify right side
438,792x = 70,010,141,184 - Step 5: Solve for x
x = 70,010,141,184/438,792 - Step 6: Final answer
x = 159,552
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.