Finding the Fourth Proportional to 438,023.84, 604,473.80 and 236,819.84
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Solution
The fourth proportional to 438,023.84, 604,473.80 and 236,819.84 is: 326,811.86
Step by Step Solution
- Step 1: Write the proportion equation
438,023.84 : 604,473.80 = 236,819.84 : x - Step 2: Convert to fraction form
438,023.84/604,473.80 = 236,819.84/x - Step 3: Cross multiply
438,023.84x = 604,473.80 × 236,819.84 - Step 4: Simplify right side
438,023.84x = 143,151,384,393.72 - Step 5: Solve for x
x = 143,151,384,393.72/438,023.84 - Step 6: Final answer
x = 326,811.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.