Finding the Fourth Proportional to 368,568.04, 508,622.84 and 207,423.08
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Solution
The fourth proportional to 368,568.04, 508,622.84 and 207,423.08 is: 286,243.26
Step by Step Solution
- Step 1: Write the proportion equation
368,568.04 : 508,622.84 = 207,423.08 : x - Step 2: Convert to fraction form
368,568.04/508,622.84 = 207,423.08/x - Step 3: Cross multiply
368,568.04x = 508,622.84 × 207,423.08 - Step 4: Simplify right side
368,568.04x = 105,500,116,031.15 - Step 5: Solve for x
x = 105,500,116,031.15/368,568.04 - Step 6: Final answer
x = 286,243.26
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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.