Finding the Fourth Proportional to 320,029.68, 441,646.56 and 176,781.18
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Solution
The fourth proportional to 320,029.68, 441,646.56 and 176,781.18 is: 243,961.12
Step by Step Solution
- Step 1: Write the proportion equation
320,029.68 : 441,646.56 = 176,781.18 : x - Step 2: Convert to fraction form
320,029.68/441,646.56 = 176,781.18/x - Step 3: Cross multiply
320,029.68x = 441,646.56 × 176,781.18 - Step 4: Simplify right side
320,029.68x = 78,074,800,019.74 - Step 5: Solve for x
x = 78,074,800,019.74/320,029.68 - Step 6: Final answer
x = 243,961.12
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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.