Finding the Fourth Proportional to 646,129.18, 969,193.54 and 172,802.26
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Solution
The fourth proportional to 646,129.18, 969,193.54 and 172,802.26 is: 259,203.33
Step by Step Solution
- Step 1: Write the proportion equation
646,129.18 : 969,193.54 = 172,802.26 : x - Step 2: Convert to fraction form
646,129.18/969,193.54 = 172,802.26/x - Step 3: Cross multiply
646,129.18x = 969,193.54 × 172,802.26 - Step 4: Simplify right side
646,129.18x = 167,478,834,089.40 - Step 5: Solve for x
x = 167,478,834,089.40/646,129.18 - Step 6: Final answer
x = 259,203.33
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1.5x scale
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.