Finding the Fourth Proportional to 178,081.77, 245,752.82 and 97,509.29
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Solution
The fourth proportional to 178,081.77, 245,752.82 and 97,509.29 is: 134,562.80
Step by Step Solution
- Step 1: Write the proportion equation
178,081.77 : 245,752.82 = 97,509.29 : x - Step 2: Convert to fraction form
178,081.77/245,752.82 = 97,509.29/x - Step 3: Cross multiply
178,081.77x = 245,752.82 × 97,509.29 - Step 4: Simplify right side
178,081.77x = 23,963,181,643.05 - Step 5: Solve for x
x = 23,963,181,643.05/178,081.77 - Step 6: Final answer
x = 134,562.80
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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.