Finding the Fourth Proportional to 485,956.08, 728,985.96 and 205,501.68
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Solution
The fourth proportional to 485,956.08, 728,985.96 and 205,501.68 is: 308,274.44
Step by Step Solution
- Step 1: Write the proportion equation
485,956.08 : 728,985.96 = 205,501.68 : x - Step 2: Convert to fraction form
485,956.08/728,985.96 = 205,501.68/x - Step 3: Cross multiply
485,956.08x = 728,985.96 × 205,501.68 - Step 4: Simplify right side
485,956.08x = 149,807,839,476.41 - Step 5: Solve for x
x = 149,807,839,476.41/485,956.08 - Step 6: Final answer
x = 308,274.44
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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.