Finding the Fourth Proportional to 468,813.03, 646,948.65 and 275,217.63
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Solution
The fourth proportional to 468,813.03, 646,948.65 and 275,217.63 is: 379,792.50
Step by Step Solution
- Step 1: Write the proportion equation
468,813.03 : 646,948.65 = 275,217.63 : x - Step 2: Convert to fraction form
468,813.03/646,948.65 = 275,217.63/x - Step 3: Cross multiply
468,813.03x = 646,948.65 × 275,217.63 - Step 4: Simplify right side
468,813.03x = 178,051,674,184.70 - Step 5: Solve for x
x = 178,051,674,184.70/468,813.03 - Step 6: Final answer
x = 379,792.50
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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.