Finding the Fourth Proportional to 468,368.53, 646,341.42 and 261,639.62
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Solution
The fourth proportional to 468,368.53, 646,341.42 and 261,639.62 is: 361,058.68
Step by Step Solution
- Step 1: Write the proportion equation
468,368.53 : 646,341.42 = 261,639.62 : x - Step 2: Convert to fraction form
468,368.53/646,341.42 = 261,639.62/x - Step 3: Cross multiply
468,368.53x = 646,341.42 × 261,639.62 - Step 4: Simplify right side
468,368.53x = 169,108,523,692.28 - Step 5: Solve for x
x = 169,108,523,692.28/468,368.53 - Step 6: Final answer
x = 361,058.68
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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.