Finding the Fourth Proportional to 287,445.98, 430,842.00 and 174,878.06
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Solution
The fourth proportional to 287,445.98, 430,842.00 and 174,878.06 is: 262,118.17
Step by Step Solution
- Step 1: Write the proportion equation
287,445.98 : 430,842.00 = 174,878.06 : x - Step 2: Convert to fraction form
287,445.98/430,842.00 = 174,878.06/x - Step 3: Cross multiply
287,445.98x = 430,842.00 × 174,878.06 - Step 4: Simplify right side
287,445.98x = 75,344,811,628.10 - Step 5: Solve for x
x = 75,344,811,628.10/287,445.98 - Step 6: Final answer
x = 262,118.17
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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.