Finding the Fourth Proportional to 186,547.28, 279,903.52 and 97,779.68
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Solution
The fourth proportional to 186,547.28, 279,903.52 and 97,779.68 is: 146,712.82
Step by Step Solution
- Step 1: Write the proportion equation
186,547.28 : 279,903.52 = 97,779.68 : x - Step 2: Convert to fraction form
186,547.28/279,903.52 = 97,779.68/x - Step 3: Cross multiply
186,547.28x = 279,903.52 × 97,779.68 - Step 4: Simplify right side
186,547.28x = 27,368,876,616.47 - Step 5: Solve for x
x = 27,368,876,616.47/186,547.28 - Step 6: Final answer
x = 146,712.82
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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.