Finding the Fourth Proportional to 473,610.40, 710,818.80 and 193,328.80
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Solution
The fourth proportional to 473,610.40, 710,818.80 and 193,328.80 is: 290,157.79
Step by Step Solution
- Step 1: Write the proportion equation
473,610.40 : 710,818.80 = 193,328.80 : x - Step 2: Convert to fraction form
473,610.40/710,818.80 = 193,328.80/x - Step 3: Cross multiply
473,610.40x = 710,818.80 × 193,328.80 - Step 4: Simplify right side
473,610.40x = 137,421,745,621.44 - Step 5: Solve for x
x = 137,421,745,621.44/473,610.40 - Step 6: Final answer
x = 290,157.79
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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.