Finding the Fourth Proportional to 416,137.40, 624,206.10 and 346,095.80
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Solution
The fourth proportional to 416,137.40, 624,206.10 and 346,095.80 is: 519,143.70
Step by Step Solution
- Step 1: Write the proportion equation
416,137.40 : 624,206.10 = 346,095.80 : x - Step 2: Convert to fraction form
416,137.40/624,206.10 = 346,095.80/x - Step 3: Cross multiply
416,137.40x = 624,206.10 × 346,095.80 - Step 4: Simplify right side
416,137.40x = 216,035,109,544.38 - Step 5: Solve for x
x = 216,035,109,544.38/416,137.40 - Step 6: Final answer
x = 519,143.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.