Finding the Fourth Proportional to 539,025.18, 808,657.29 and 159,976.14
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Solution
The fourth proportional to 539,025.18, 808,657.29 and 159,976.14 is: 239,999.68
Step by Step Solution
- Step 1: Write the proportion equation
539,025.18 : 808,657.29 = 159,976.14 : x - Step 2: Convert to fraction form
539,025.18/808,657.29 = 159,976.14/x - Step 3: Cross multiply
539,025.18x = 808,657.29 × 159,976.14 - Step 4: Simplify right side
539,025.18x = 129,365,871,837.06 - Step 5: Solve for x
x = 129,365,871,837.06/539,025.18 - Step 6: Final answer
x = 239,999.68
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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.