Finding the Fourth Proportional to 539,178.67, 808,871.69 and 206,728.75
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Solution
The fourth proportional to 539,178.67, 808,871.69 and 206,728.75 is: 310,132.88
Step by Step Solution
- Step 1: Write the proportion equation
539,178.67 : 808,871.69 = 206,728.75 : x - Step 2: Convert to fraction form
539,178.67/808,871.69 = 206,728.75/x - Step 3: Cross multiply
539,178.67x = 808,871.69 × 206,728.75 - Step 4: Simplify right side
539,178.67x = 167,217,033,384.09 - Step 5: Solve for x
x = 167,217,033,384.09/539,178.67 - Step 6: Final answer
x = 310,132.88
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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.