Finding the Fourth Proportional to 713,305.08, 1,070,121.51 and 239,977.80
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Solution
The fourth proportional to 713,305.08, 1,070,121.51 and 239,977.80 is: 360,021.84
Step by Step Solution
- Step 1: Write the proportion equation
713,305.08 : 1,070,121.51 = 239,977.80 : x - Step 2: Convert to fraction form
713,305.08/1,070,121.51 = 239,977.80/x - Step 3: Cross multiply
713,305.08x = 1,070,121.51 × 239,977.80 - Step 4: Simplify right side
713,305.08x = 256,805,405,702.48 - Step 5: Solve for x
x = 256,805,405,702.48/713,305.08 - Step 6: Final answer
x = 360,021.84
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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.