Finding the Fourth Proportional to 273,972.81, 378,094.16 and 153,114.10
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Solution
The fourth proportional to 273,972.81, 378,094.16 and 153,114.10 is: 211,303.99
Step by Step Solution
- Step 1: Write the proportion equation
273,972.81 : 378,094.16 = 153,114.10 : x - Step 2: Convert to fraction form
273,972.81/378,094.16 = 153,114.10/x - Step 3: Cross multiply
273,972.81x = 378,094.16 × 153,114.10 - Step 4: Simplify right side
273,972.81x = 57,891,547,023.66 - Step 5: Solve for x
x = 57,891,547,023.66/273,972.81 - Step 6: Final answer
x = 211,303.99
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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.