Finding the Fourth Proportional to 379,864.43, 569,830.97 and 109,988.63
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Solution
The fourth proportional to 379,864.43, 569,830.97 and 109,988.63 is: 164,992.88
Step by Step Solution
- Step 1: Write the proportion equation
379,864.43 : 569,830.97 = 109,988.63 : x - Step 2: Convert to fraction form
379,864.43/569,830.97 = 109,988.63/x - Step 3: Cross multiply
379,864.43x = 569,830.97 × 109,988.63 - Step 4: Simplify right side
379,864.43x = 62,674,924,322.77 - Step 5: Solve for x
x = 62,674,924,322.77/379,864.43 - Step 6: Final answer
x = 164,992.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.