Finding the Fourth Proportional to 640,953.98, 961,357.53 and 167,685.02
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Solution
The fourth proportional to 640,953.98, 961,357.53 and 167,685.02 is: 251,508.32
Step by Step Solution
- Step 1: Write the proportion equation
640,953.98 : 961,357.53 = 167,685.02 : x - Step 2: Convert to fraction form
640,953.98/961,357.53 = 167,685.02/x - Step 3: Cross multiply
640,953.98x = 961,357.53 × 167,685.02 - Step 4: Simplify right side
640,953.98x = 161,205,256,645.20 - Step 5: Solve for x
x = 161,205,256,645.20/640,953.98 - Step 6: Final answer
x = 251,508.32
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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.