Finding the Fourth Proportional to 473,682.40, 710,926.80 and 193,400.80
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Solution
The fourth proportional to 473,682.40, 710,926.80 and 193,400.80 is: 290,265.82
Step by Step Solution
- Step 1: Write the proportion equation
473,682.40 : 710,926.80 = 193,400.80 : x - Step 2: Convert to fraction form
473,682.40/710,926.80 = 193,400.80/x - Step 3: Cross multiply
473,682.40x = 710,926.80 × 193,400.80 - Step 4: Simplify right side
473,682.40x = 137,493,811,861.44 - Step 5: Solve for x
x = 137,493,811,861.44/473,682.40 - Step 6: Final answer
x = 290,265.82
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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.