Finding the Fourth Proportional to 434,608.20, 652,106.70 and 209,881.80
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Solution
The fourth proportional to 434,608.20, 652,106.70 and 209,881.80 is: 314,916.58
Step by Step Solution
- Step 1: Write the proportion equation
434,608.20 : 652,106.70 = 209,881.80 : x - Step 2: Convert to fraction form
434,608.20/652,106.70 = 209,881.80/x - Step 3: Cross multiply
434,608.20x = 652,106.70 × 209,881.80 - Step 4: Simplify right side
434,608.20x = 136,865,327,988.06 - Step 5: Solve for x
x = 136,865,327,988.06/434,608.20 - Step 6: Final answer
x = 314,916.58
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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.