Finding the Fourth Proportional to 485,986.08, 729,031.04 and 205,531.68
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Solution
The fourth proportional to 485,986.08, 729,031.04 and 205,531.68 is: 308,319.48
Step by Step Solution
- Step 1: Write the proportion equation
485,986.08 : 729,031.04 = 205,531.68 : x - Step 2: Convert to fraction form
485,986.08/729,031.04 = 205,531.68/x - Step 3: Cross multiply
485,986.08x = 729,031.04 × 205,531.68 - Step 4: Simplify right side
485,986.08x = 149,838,974,423.35 - Step 5: Solve for x
x = 149,838,974,423.35/485,986.08 - Step 6: Final answer
x = 308,319.48
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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.