Finding the Fourth Proportional to 646,553.17, 969,829.12 and 173,225.62
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Solution
The fourth proportional to 646,553.17, 969,829.12 and 173,225.62 is: 259,838.26
Step by Step Solution
- Step 1: Write the proportion equation
646,553.17 : 969,829.12 = 173,225.62 : x - Step 2: Convert to fraction form
646,553.17/969,829.12 = 173,225.62/x - Step 3: Cross multiply
646,553.17x = 969,829.12 × 173,225.62 - Step 4: Simplify right side
646,553.17x = 167,999,250,606.05 - Step 5: Solve for x
x = 167,999,250,606.05/646,553.17 - Step 6: Final answer
x = 259,838.26
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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.