Finding the Fourth Proportional to 476,246.40, 714,369.60 and 209,869.80
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Solution
The fourth proportional to 476,246.40, 714,369.60 and 209,869.80 is: 314,804.70
Step by Step Solution
- Step 1: Write the proportion equation
476,246.40 : 714,369.60 = 209,869.80 : x - Step 2: Convert to fraction form
476,246.40/714,369.60 = 209,869.80/x - Step 3: Cross multiply
476,246.40x = 714,369.60 × 209,869.80 - Step 4: Simplify right side
476,246.40x = 149,924,605,078.08 - Step 5: Solve for x
x = 149,924,605,078.08/476,246.40 - Step 6: Final answer
x = 314,804.70
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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.