Finding the Fourth Proportional to 245,785.20, 368,461.80 and 166,642.80
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Solution
The fourth proportional to 245,785.20, 368,461.80 and 166,642.80 is: 249,817.75
Step by Step Solution
- Step 1: Write the proportion equation
245,785.20 : 368,461.80 = 166,642.80 : x - Step 2: Convert to fraction form
245,785.20/368,461.80 = 166,642.80/x - Step 3: Cross multiply
245,785.20x = 368,461.80 × 166,642.80 - Step 4: Simplify right side
245,785.20x = 61,401,506,045.04 - Step 5: Solve for x
x = 61,401,506,045.04/245,785.20 - Step 6: Final answer
x = 249,817.75
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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.