Finding the Fourth Proportional to 135,444.51, 186,485.76 and 119,301.75
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Solution
The fourth proportional to 135,444.51, 186,485.76 and 119,301.75 is: 164,259.72
Step by Step Solution
- Step 1: Write the proportion equation
135,444.51 : 186,485.76 = 119,301.75 : x - Step 2: Convert to fraction form
135,444.51/186,485.76 = 119,301.75/x - Step 3: Cross multiply
135,444.51x = 186,485.76 × 119,301.75 - Step 4: Simplify right side
135,444.51x = 22,248,077,518.08 - Step 5: Solve for x
x = 22,248,077,518.08/135,444.51 - Step 6: Final answer
x = 164,259.72
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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.