Finding the Fourth Proportional to 259,997.99, 358,799.58 and 152,569.80
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Solution
The fourth proportional to 259,997.99, 358,799.58 and 152,569.80 is: 210,547.71
Step by Step Solution
- Step 1: Write the proportion equation
259,997.99 : 358,799.58 = 152,569.80 : x - Step 2: Convert to fraction form
259,997.99/358,799.58 = 152,569.80/x - Step 3: Cross multiply
259,997.99x = 358,799.58 × 152,569.80 - Step 4: Simplify right side
259,997.99x = 54,741,980,160.68 - Step 5: Solve for x
x = 54,741,980,160.68/259,997.99 - Step 6: Final answer
x = 210,547.71
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1.5x scale
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.