Finding the Fourth Proportional to 453,009.40, 679,596.12 and 186,621.88
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Solution
The fourth proportional to 453,009.40, 679,596.12 and 186,621.88 is: 279,966.60
Step by Step Solution
- Step 1: Write the proportion equation
453,009.40 : 679,596.12 = 186,621.88 : x - Step 2: Convert to fraction form
453,009.40/679,596.12 = 186,621.88/x - Step 3: Cross multiply
453,009.40x = 679,596.12 × 186,621.88 - Step 4: Simplify right side
453,009.40x = 126,827,501,224.02 - Step 5: Solve for x
x = 126,827,501,224.02/453,009.40 - Step 6: Final answer
x = 279,966.60
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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.