Finding the Fourth Proportional to 346,436.24, 478,072.74 and 193,470.20
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Solution
The fourth proportional to 346,436.24, 478,072.74 and 193,470.20 is: 266,983.70
Step by Step Solution
- Step 1: Write the proportion equation
346,436.24 : 478,072.74 = 193,470.20 : x - Step 2: Convert to fraction form
346,436.24/478,072.74 = 193,470.20/x - Step 3: Cross multiply
346,436.24x = 478,072.74 × 193,470.20 - Step 4: Simplify right side
346,436.24x = 92,492,828,622.35 - Step 5: Solve for x
x = 92,492,828,622.35/346,436.24 - Step 6: Final answer
x = 266,983.70
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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.