Finding the Fourth Proportional to 318,528.91, 439,569.99 and 175,288.95
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Solution
The fourth proportional to 318,528.91, 439,569.99 and 175,288.95 is: 241,898.81
Step by Step Solution
- Step 1: Write the proportion equation
318,528.91 : 439,569.99 = 175,288.95 : x - Step 2: Convert to fraction form
318,528.91/439,569.99 = 175,288.95/x - Step 3: Cross multiply
318,528.91x = 439,569.99 × 175,288.95 - Step 4: Simplify right side
318,528.91x = 77,051,762,989.66 - Step 5: Solve for x
x = 77,051,762,989.66/318,528.91 - Step 6: Final answer
x = 241,898.81
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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.