Finding the Fourth Proportional to 473,993.36, 710,990.76 and 189,811.88
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Solution
The fourth proportional to 473,993.36, 710,990.76 and 189,811.88 is: 284,718.11
Step by Step Solution
- Step 1: Write the proportion equation
473,993.36 : 710,990.76 = 189,811.88 : x - Step 2: Convert to fraction form
473,993.36/710,990.76 = 189,811.88/x - Step 3: Cross multiply
473,993.36x = 710,990.76 × 189,811.88 - Step 4: Simplify right side
473,993.36x = 134,954,492,818.23 - Step 5: Solve for x
x = 134,954,492,818.23/473,993.36 - Step 6: Final answer
x = 284,718.11
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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.