Finding the Fourth Proportional to 197,547.99, 272,616.22 and 106,903.95
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Solution
The fourth proportional to 197,547.99, 272,616.22 and 106,903.95 is: 147,527.45
Step by Step Solution
- Step 1: Write the proportion equation
197,547.99 : 272,616.22 = 106,903.95 : x - Step 2: Convert to fraction form
197,547.99/272,616.22 = 106,903.95/x - Step 3: Cross multiply
197,547.99x = 272,616.22 × 106,903.95 - Step 4: Simplify right side
197,547.99x = 29,143,750,752.07 - Step 5: Solve for x
x = 29,143,750,752.07/197,547.99 - Step 6: Final answer
x = 147,527.45
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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.