Finding the Fourth Proportional to 145,027.49, 217,547.12 and 69,086.99
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Solution
The fourth proportional to 145,027.49, 217,547.12 and 69,086.99 is: 103,633.28
Step by Step Solution
- Step 1: Write the proportion equation
145,027.49 : 217,547.12 = 69,086.99 : x - Step 2: Convert to fraction form
145,027.49/217,547.12 = 69,086.99/x - Step 3: Cross multiply
145,027.49x = 217,547.12 × 69,086.99 - Step 4: Simplify right side
145,027.49x = 15,029,674,270.80 - Step 5: Solve for x
x = 15,029,674,270.80/145,027.49 - Step 6: Final answer
x = 103,633.28
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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.