Finding the Fourth Proportional to 328,881.96, 453,478.77 and 242,965.26
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Solution
The fourth proportional to 328,881.96, 453,478.77 and 242,965.26 is: 335,012.56
Step by Step Solution
- Step 1: Write the proportion equation
328,881.96 : 453,478.77 = 242,965.26 : x - Step 2: Convert to fraction form
328,881.96/453,478.77 = 242,965.26/x - Step 3: Cross multiply
328,881.96x = 453,478.77 × 242,965.26 - Step 4: Simplify right side
328,881.96x = 110,179,587,257.53 - Step 5: Solve for x
x = 110,179,587,257.53/328,881.96 - Step 6: Final answer
x = 335,012.56
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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.