Finding the Fourth Proportional to 318,439.23, 439,446.93 and 175,208.19
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Solution
The fourth proportional to 318,439.23, 439,446.93 and 175,208.19 is: 241,787.74
Step by Step Solution
- Step 1: Write the proportion equation
318,439.23 : 439,446.93 = 175,208.19 : x - Step 2: Convert to fraction form
318,439.23/439,446.93 = 175,208.19/x - Step 3: Cross multiply
318,439.23x = 439,446.93 × 175,208.19 - Step 4: Simplify right side
318,439.23x = 76,994,701,206.36 - Step 5: Solve for x
x = 76,994,701,206.36/318,439.23 - Step 6: Final answer
x = 241,787.74
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1.5x scale
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.