Finding the Fourth Proportional to 135,547.79, 203,134.68 and 97,807.14
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Solution
The fourth proportional to 135,547.79, 203,134.68 and 97,807.14 is: 146,575.78
Step by Step Solution
- Step 1: Write the proportion equation
135,547.79 : 203,134.68 = 97,807.14 : x - Step 2: Convert to fraction form
135,547.79/203,134.68 = 97,807.14/x - Step 3: Cross multiply
135,547.79x = 203,134.68 × 97,807.14 - Step 4: Simplify right side
135,547.79x = 19,868,022,085.62 - Step 5: Solve for x
x = 19,868,022,085.62/135,547.79 - Step 6: Final answer
x = 146,575.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.