Finding the Fourth Proportional to 624,177.63, 861,364.84 and 352,302.55
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Solution
The fourth proportional to 624,177.63, 861,364.84 and 352,302.55 is: 486,177.35
Step by Step Solution
- Step 1: Write the proportion equation
624,177.63 : 861,364.84 = 352,302.55 : x - Step 2: Convert to fraction form
624,177.63/861,364.84 = 352,302.55/x - Step 3: Cross multiply
624,177.63x = 861,364.84 × 352,302.55 - Step 4: Simplify right side
624,177.63x = 303,461,029,612.34 - Step 5: Solve for x
x = 303,461,029,612.34/624,177.63 - Step 6: Final answer
x = 486,177.35
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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.