Finding the Fourth Proportional to 473,714.40, 710,974.80 and 193,432.80
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Solution
The fourth proportional to 473,714.40, 710,974.80 and 193,432.80 is: 290,313.84
Step by Step Solution
- Step 1: Write the proportion equation
473,714.40 : 710,974.80 = 193,432.80 : x - Step 2: Convert to fraction form
473,714.40/710,974.80 = 193,432.80/x - Step 3: Cross multiply
473,714.40x = 710,974.80 × 193,432.80 - Step 4: Simplify right side
473,714.40x = 137,525,846,293.44 - Step 5: Solve for x
x = 137,525,846,293.44/473,714.40 - Step 6: Final answer
x = 290,313.84
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1.5x scale
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.