Finding the Fourth Proportional to 352,389.29, 486,297.95 and 209,178.05
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Solution
The fourth proportional to 352,389.29, 486,297.95 and 209,178.05 is: 288,666.14
Step by Step Solution
- Step 1: Write the proportion equation
352,389.29 : 486,297.95 = 209,178.05 : x - Step 2: Convert to fraction form
352,389.29/486,297.95 = 209,178.05/x - Step 3: Cross multiply
352,389.29x = 486,297.95 × 209,178.05 - Step 4: Simplify right side
352,389.29x = 101,722,853,422.62 - Step 5: Solve for x
x = 101,722,853,422.62/352,389.29 - Step 6: Final answer
x = 288,666.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.