Finding the Fourth Proportional to 174,946.70, 262,420.05 and 121,292.30
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Solution
The fourth proportional to 174,946.70, 262,420.05 and 121,292.30 is: 181,938.45
Step by Step Solution
- Step 1: Write the proportion equation
174,946.70 : 262,420.05 = 121,292.30 : x - Step 2: Convert to fraction form
174,946.70/262,420.05 = 121,292.30/x - Step 3: Cross multiply
174,946.70x = 262,420.05 × 121,292.30 - Step 4: Simplify right side
174,946.70x = 31,829,531,430.62 - Step 5: Solve for x
x = 31,829,531,430.62/174,946.70 - Step 6: Final answer
x = 181,938.45
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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.