Finding the Fourth Proportional to 385,646.40, 532,176.48 and 224,506.08
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Solution
The fourth proportional to 385,646.40, 532,176.48 and 224,506.08 is: 309,809.34
Step by Step Solution
- Step 1: Write the proportion equation
385,646.40 : 532,176.48 = 224,506.08 : x - Step 2: Convert to fraction form
385,646.40/532,176.48 = 224,506.08/x - Step 3: Cross multiply
385,646.40x = 532,176.48 × 224,506.08 - Step 4: Simplify right side
385,646.40x = 119,476,855,393.00 - Step 5: Solve for x
x = 119,476,855,393.00/385,646.40 - Step 6: Final answer
x = 309,809.34
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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.