Finding the Fourth Proportional to 680,769.70, 1,021,154.55 and 175,329.70
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Solution
The fourth proportional to 680,769.70, 1,021,154.55 and 175,329.70 is: 262,994.55
Step by Step Solution
- Step 1: Write the proportion equation
680,769.70 : 1,021,154.55 = 175,329.70 : x - Step 2: Convert to fraction form
680,769.70/1,021,154.55 = 175,329.70/x - Step 3: Cross multiply
680,769.70x = 1,021,154.55 × 175,329.70 - Step 4: Simplify right side
680,769.70x = 179,038,720,905.14 - Step 5: Solve for x
x = 179,038,720,905.14/680,769.70 - Step 6: Final answer
x = 262,994.55
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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.