Finding the Fourth Proportional to 446,641.40, 616,358.14 and 245,433.08
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Solution
The fourth proportional to 446,641.40, 616,358.14 and 245,433.08 is: 338,693.81
Step by Step Solution
- Step 1: Write the proportion equation
446,641.40 : 616,358.14 = 245,433.08 : x - Step 2: Convert to fraction form
446,641.40/616,358.14 = 245,433.08/x - Step 3: Cross multiply
446,641.40x = 616,358.14 × 245,433.08 - Step 4: Simplify right side
446,641.40x = 151,274,676,683.27 - Step 5: Solve for x
x = 151,274,676,683.27/446,641.40 - Step 6: Final answer
x = 338,693.81
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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.