Finding the Fourth Proportional to 473,994.36, 710,992.26 and 189,812.88
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Solution
The fourth proportional to 473,994.36, 710,992.26 and 189,812.88 is: 284,719.61
Step by Step Solution
- Step 1: Write the proportion equation
473,994.36 : 710,992.26 = 189,812.88 : x - Step 2: Convert to fraction form
473,994.36/710,992.26 = 189,812.88/x - Step 3: Cross multiply
473,994.36x = 710,992.26 × 189,812.88 - Step 4: Simplify right side
473,994.36x = 134,955,488,528.31 - Step 5: Solve for x
x = 134,955,488,528.31/473,994.36 - Step 6: Final answer
x = 284,719.61
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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.