Finding the Fourth Proportional to 97,202.79, 145,804.05 and 55,620.63
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Solution
The fourth proportional to 97,202.79, 145,804.05 and 55,620.63 is: 83,430.87
Step by Step Solution
- Step 1: Write the proportion equation
97,202.79 : 145,804.05 = 55,620.63 : x - Step 2: Convert to fraction form
97,202.79/145,804.05 = 55,620.63/x - Step 3: Cross multiply
97,202.79x = 145,804.05 × 55,620.63 - Step 4: Simplify right side
97,202.79x = 8,109,713,117.55 - Step 5: Solve for x
x = 8,109,713,117.55/97,202.79 - Step 6: Final answer
x = 83,430.87
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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.