Finding the Fourth Proportional to 163,027.44, 224,972.55 and 90,430.02
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Solution
The fourth proportional to 163,027.44, 224,972.55 and 90,430.02 is: 124,790.48
Step by Step Solution
- Step 1: Write the proportion equation
163,027.44 : 224,972.55 = 90,430.02 : x - Step 2: Convert to fraction form
163,027.44/224,972.55 = 90,430.02/x - Step 3: Cross multiply
163,027.44x = 224,972.55 × 90,430.02 - Step 4: Simplify right side
163,027.44x = 20,344,272,195.95 - Step 5: Solve for x
x = 20,344,272,195.95/163,027.44 - Step 6: Final answer
x = 124,790.48
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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.