Finding the Fourth Proportional to 302,564.80, 453,847.20 and 282,881.80
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Solution
The fourth proportional to 302,564.80, 453,847.20 and 282,881.80 is: 424,322.70
Step by Step Solution
- Step 1: Write the proportion equation
302,564.80 : 453,847.20 = 282,881.80 : x - Step 2: Convert to fraction form
302,564.80/453,847.20 = 282,881.80/x - Step 3: Cross multiply
302,564.80x = 453,847.20 × 282,881.80 - Step 4: Simplify right side
302,564.80x = 128,385,112,860.96 - Step 5: Solve for x
x = 128,385,112,860.96/302,564.80 - Step 6: Final answer
x = 424,322.70
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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.