Finding the Fourth Proportional to 257,416.68, 355,408.02 and 160,767.48
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Solution
The fourth proportional to 257,416.68, 355,408.02 and 160,767.48 is: 221,967.17
Step by Step Solution
- Step 1: Write the proportion equation
257,416.68 : 355,408.02 = 160,767.48 : x - Step 2: Convert to fraction form
257,416.68/355,408.02 = 160,767.48/x - Step 3: Cross multiply
257,416.68x = 355,408.02 × 160,767.48 - Step 4: Simplify right side
257,416.68x = 57,138,051,747.19 - Step 5: Solve for x
x = 57,138,051,747.19/257,416.68 - Step 6: Final answer
x = 221,967.17
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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.