Finding the Fourth Proportional to 284,547.05, 426,055.76 and 216,756.18
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Solution
The fourth proportional to 284,547.05, 426,055.76 and 216,756.18 is: 324,551.66
Step by Step Solution
- Step 1: Write the proportion equation
284,547.05 : 426,055.76 = 216,756.18 : x - Step 2: Convert to fraction form
284,547.05/426,055.76 = 216,756.18/x - Step 3: Cross multiply
284,547.05x = 426,055.76 × 216,756.18 - Step 4: Simplify right side
284,547.05x = 92,350,219,952.91 - Step 5: Solve for x
x = 92,350,219,952.91/284,547.05 - Step 6: Final answer
x = 324,551.66
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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.