Finding the Fourth Proportional to 487,070.08, 730,752.80 and 345,189.68
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Solution
The fourth proportional to 487,070.08, 730,752.80 and 345,189.68 is: 517,889.18
Step by Step Solution
- Step 1: Write the proportion equation
487,070.08 : 730,752.80 = 345,189.68 : x - Step 2: Convert to fraction form
487,070.08/730,752.80 = 345,189.68/x - Step 3: Cross multiply
487,070.08x = 730,752.80 × 345,189.68 - Step 4: Simplify right side
487,070.08x = 252,248,325,191.10 - Step 5: Solve for x
x = 252,248,325,191.10/487,070.08 - Step 6: Final answer
x = 517,889.18
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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.