Finding the Fourth Proportional to 328,817.06, 492,929.39 and 118,306.88
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Solution
The fourth proportional to 328,817.06, 492,929.39 and 118,306.88 is: 177,353.75
Step by Step Solution
- Step 1: Write the proportion equation
328,817.06 : 492,929.39 = 118,306.88 : x - Step 2: Convert to fraction form
328,817.06/492,929.39 = 118,306.88/x - Step 3: Cross multiply
328,817.06x = 492,929.39 × 118,306.88 - Step 4: Simplify right side
328,817.06x = 58,316,938,191.20 - Step 5: Solve for x
x = 58,316,938,191.20/328,817.06 - Step 6: Final answer
x = 177,353.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.