Finding the Fourth Proportional to 348,759.84, 521,780.08 and 305,723.63
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Solution
The fourth proportional to 348,759.84, 521,780.08 and 305,723.63 is: 457,393.55
Step by Step Solution
- Step 1: Write the proportion equation
348,759.84 : 521,780.08 = 305,723.63 : x - Step 2: Convert to fraction form
348,759.84/521,780.08 = 305,723.63/x - Step 3: Cross multiply
348,759.84x = 521,780.08 × 305,723.63 - Step 4: Simplify right side
348,759.84x = 159,520,500,119.29 - Step 5: Solve for x
x = 159,520,500,119.29/348,759.84 - Step 6: Final answer
x = 457,393.55
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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.