Finding the Fourth Proportional to 648,225.73, 972,338.55 and 174,911.08
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Solution
The fourth proportional to 648,225.73, 972,338.55 and 174,911.08 is: 262,366.61
Step by Step Solution
- Step 1: Write the proportion equation
648,225.73 : 972,338.55 = 174,911.08 : x - Step 2: Convert to fraction form
648,225.73/972,338.55 = 174,911.08/x - Step 3: Cross multiply
648,225.73x = 972,338.55 × 174,911.08 - Step 4: Simplify right side
648,225.73x = 170,072,785,906.13 - Step 5: Solve for x
x = 170,072,785,906.13/648,225.73 - Step 6: Final answer
x = 262,366.61
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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.