Finding the Fourth Proportional to 342,660.02, 472,920.31 and 197,437.99
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Solution
The fourth proportional to 342,660.02, 472,920.31 and 197,437.99 is: 272,492.93
Step by Step Solution
- Step 1: Write the proportion equation
342,660.02 : 472,920.31 = 197,437.99 : x - Step 2: Convert to fraction form
342,660.02/472,920.31 = 197,437.99/x - Step 3: Cross multiply
342,660.02x = 472,920.31 × 197,437.99 - Step 4: Simplify right side
342,660.02x = 93,372,433,071.98 - Step 5: Solve for x
x = 93,372,433,071.98/342,660.02 - Step 6: Final answer
x = 272,492.93
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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.