Finding the Fourth Proportional to 135,036.79, 202,565.04 and 46,289.55
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Solution
The fourth proportional to 135,036.79, 202,565.04 and 46,289.55 is: 69,437.70
Step by Step Solution
- Step 1: Write the proportion equation
135,036.79 : 202,565.04 = 46,289.55 : x - Step 2: Convert to fraction form
135,036.79/202,565.04 = 46,289.55/x - Step 3: Cross multiply
135,036.79x = 202,565.04 × 46,289.55 - Step 4: Simplify right side
135,036.79x = 9,376,644,547.33 - Step 5: Solve for x
x = 9,376,644,547.33/135,036.79 - Step 6: Final answer
x = 69,437.70
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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.