Finding the Fourth Proportional to 468,463.05, 646,478.28 and 253,603.05
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Solution
The fourth proportional to 468,463.05, 646,478.28 and 253,603.05 is: 349,971.81
Step by Step Solution
- Step 1: Write the proportion equation
468,463.05 : 646,478.28 = 253,603.05 : x - Step 2: Convert to fraction form
468,463.05/646,478.28 = 253,603.05/x - Step 3: Cross multiply
468,463.05x = 646,478.28 × 253,603.05 - Step 4: Simplify right side
468,463.05x = 163,948,863,566.75 - Step 5: Solve for x
x = 163,948,863,566.75/468,463.05 - Step 6: Final answer
x = 349,971.81
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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.