Finding the Fourth Proportional to 157,260.30, 235,890.45 and 122,225.10
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Solution
The fourth proportional to 157,260.30, 235,890.45 and 122,225.10 is: 183,337.65
Step by Step Solution
- Step 1: Write the proportion equation
157,260.30 : 235,890.45 = 122,225.10 : x - Step 2: Convert to fraction form
157,260.30/235,890.45 = 122,225.10/x - Step 3: Cross multiply
157,260.30x = 235,890.45 × 122,225.10 - Step 4: Simplify right side
157,260.30x = 28,831,733,840.30 - Step 5: Solve for x
x = 28,831,733,840.30/157,260.30 - Step 6: Final answer
x = 183,337.65
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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.