Finding the Fourth Proportional to 446,539.80, 669,809.70 and 236,587.80
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Solution
The fourth proportional to 446,539.80, 669,809.70 and 236,587.80 is: 354,881.70
Step by Step Solution
- Step 1: Write the proportion equation
446,539.80 : 669,809.70 = 236,587.80 : x - Step 2: Convert to fraction form
446,539.80/669,809.70 = 236,587.80/x - Step 3: Cross multiply
446,539.80x = 669,809.70 × 236,587.80 - Step 4: Simplify right side
446,539.80x = 158,468,803,341.66 - Step 5: Solve for x
x = 158,468,803,341.66/446,539.80 - Step 6: Final answer
x = 354,881.70
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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.