Finding the Fourth Proportional to 539,115.70, 808,673.55 and 223,539.70
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Solution
The fourth proportional to 539,115.70, 808,673.55 and 223,539.70 is: 335,309.55
Step by Step Solution
- Step 1: Write the proportion equation
539,115.70 : 808,673.55 = 223,539.70 : x - Step 2: Convert to fraction form
539,115.70/808,673.55 = 223,539.70/x - Step 3: Cross multiply
539,115.70x = 808,673.55 × 223,539.70 - Step 4: Simplify right side
539,115.70x = 180,770,642,764.94 - Step 5: Solve for x
x = 180,770,642,764.94/539,115.70 - Step 6: Final answer
x = 335,309.55
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1.5x scale
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.