Finding the Fourth Proportional to 135,277.60, 186,688.58 and 74,847.26
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Solution
The fourth proportional to 135,277.60, 186,688.58 and 74,847.26 is: 103,292.26
Step by Step Solution
- Step 1: Write the proportion equation
135,277.60 : 186,688.58 = 74,847.26 : x - Step 2: Convert to fraction form
135,277.60/186,688.58 = 74,847.26/x - Step 3: Cross multiply
135,277.60x = 186,688.58 × 74,847.26 - Step 4: Simplify right side
135,277.60x = 13,973,128,686.29 - Step 5: Solve for x
x = 13,973,128,686.29/135,277.60 - Step 6: Final answer
x = 103,292.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.