Finding the Fourth Proportional to 147,363.66, 203,346.99 and 83,689.02
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Solution
The fourth proportional to 147,363.66, 203,346.99 and 83,689.02 is: 115,482.41
Step by Step Solution
- Step 1: Write the proportion equation
147,363.66 : 203,346.99 = 83,689.02 : x - Step 2: Convert to fraction form
147,363.66/203,346.99 = 83,689.02/x - Step 3: Cross multiply
147,363.66x = 203,346.99 × 83,689.02 - Step 4: Simplify right side
147,363.66x = 17,017,910,313.05 - Step 5: Solve for x
x = 17,017,910,313.05/147,363.66 - Step 6: Final answer
x = 115,482.41
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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.