Finding the Fourth Proportional to 539,119.80, 808,679.70 and 206,695.80
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Solution
The fourth proportional to 539,119.80, 808,679.70 and 206,695.80 is: 310,043.70
Step by Step Solution
- Step 1: Write the proportion equation
539,119.80 : 808,679.70 = 206,695.80 : x - Step 2: Convert to fraction form
539,119.80/808,679.70 = 206,695.80/x - Step 3: Cross multiply
539,119.80x = 808,679.70 × 206,695.80 - Step 4: Simplify right side
539,119.80x = 167,150,697,535.26 - Step 5: Solve for x
x = 167,150,697,535.26/539,119.80 - Step 6: Final answer
x = 310,043.70
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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.