Finding the Fourth Proportional to 340,328.68, 469,644.99 and 187,365.35
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Solution
The fourth proportional to 340,328.68, 469,644.99 and 187,365.35 is: 258,559.45
Step by Step Solution
- Step 1: Write the proportion equation
340,328.68 : 469,644.99 = 187,365.35 : x - Step 2: Convert to fraction form
340,328.68/469,644.99 = 187,365.35/x - Step 3: Cross multiply
340,328.68x = 469,644.99 × 187,365.35 - Step 4: Simplify right side
340,328.68x = 87,995,195,578.87 - Step 5: Solve for x
x = 87,995,195,578.87/340,328.68 - Step 6: Final answer
x = 258,559.45
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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.