Finding the Fourth Proportional to 178,051.66, 245,719.49 and 97,482.58
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Solution
The fourth proportional to 178,051.66, 245,719.49 and 97,482.58 is: 134,530.45
Step by Step Solution
- Step 1: Write the proportion equation
178,051.66 : 245,719.49 = 97,482.58 : x - Step 2: Convert to fraction form
178,051.66/245,719.49 = 97,482.58/x - Step 3: Cross multiply
178,051.66x = 245,719.49 × 97,482.58 - Step 4: Simplify right side
178,051.66x = 23,953,369,841.48 - Step 5: Solve for x
x = 23,953,369,841.48/178,051.66 - Step 6: Final answer
x = 134,530.45
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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.