Finding the Fourth Proportional to 259,899.68, 358,664.55 and 152,471.54
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Solution
The fourth proportional to 259,899.68, 358,664.55 and 152,471.54 is: 210,412.48
Step by Step Solution
- Step 1: Write the proportion equation
259,899.68 : 358,664.55 = 152,471.54 : x - Step 2: Convert to fraction form
259,899.68/358,664.55 = 152,471.54/x - Step 3: Cross multiply
259,899.68x = 358,664.55 × 152,471.54 - Step 4: Simplify right side
259,899.68x = 54,686,136,281.91 - Step 5: Solve for x
x = 54,686,136,281.91/259,899.68 - Step 6: Final answer
x = 210,412.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.