Finding the Fourth Proportional to 266,689.08, 368,031.06 and 151,964.46
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Solution
The fourth proportional to 266,689.08, 368,031.06 and 151,964.46 is: 209,711.03
Step by Step Solution
- Step 1: Write the proportion equation
266,689.08 : 368,031.06 = 151,964.46 : x - Step 2: Convert to fraction form
266,689.08/368,031.06 = 151,964.46/x - Step 3: Cross multiply
266,689.08x = 368,031.06 × 151,964.46 - Step 4: Simplify right side
266,689.08x = 55,927,641,296.13 - Step 5: Solve for x
x = 55,927,641,296.13/266,689.08 - Step 6: Final answer
x = 209,711.03
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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.