Finding the Fourth Proportional to 344,115.51, 474,931.14 and 247,638.75
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Solution
The fourth proportional to 344,115.51, 474,931.14 and 247,638.75 is: 341,778.71
Step by Step Solution
- Step 1: Write the proportion equation
344,115.51 : 474,931.14 = 247,638.75 : x - Step 2: Convert to fraction form
344,115.51/474,931.14 = 247,638.75/x - Step 3: Cross multiply
344,115.51x = 474,931.14 × 247,638.75 - Step 4: Simplify right side
344,115.51x = 117,611,353,845.68 - Step 5: Solve for x
x = 117,611,353,845.68/344,115.51 - Step 6: Final answer
x = 341,778.71
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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.