Finding the Fourth Proportional to 135,445.60, 203,187.28 and 56,541.76
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Solution
The fourth proportional to 135,445.60, 203,187.28 and 56,541.76 is: 84,820.52
Step by Step Solution
- Step 1: Write the proportion equation
135,445.60 : 203,187.28 = 56,541.76 : x - Step 2: Convert to fraction form
135,445.60/203,187.28 = 56,541.76/x - Step 3: Cross multiply
135,445.60x = 203,187.28 × 56,541.76 - Step 4: Simplify right side
135,445.60x = 11,488,566,420.81 - Step 5: Solve for x
x = 11,488,566,420.81/135,445.60 - Step 6: Final answer
x = 84,820.52
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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.