Finding the Fourth Proportional to 103,652.04, 155,259.36 and 102,471.06
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Solution
The fourth proportional to 103,652.04, 155,259.36 and 102,471.06 is: 153,490.38
Step by Step Solution
- Step 1: Write the proportion equation
103,652.04 : 155,259.36 = 102,471.06 : x - Step 2: Convert to fraction form
103,652.04/155,259.36 = 102,471.06/x - Step 3: Cross multiply
103,652.04x = 155,259.36 × 102,471.06 - Step 4: Simplify right side
103,652.04x = 15,909,591,194.12 - Step 5: Solve for x
x = 15,909,591,194.12/103,652.04 - Step 6: Final answer
x = 153,490.38
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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.