Finding the Fourth Proportional to 282,130.68, 389,311.98 and 168,950.52
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Solution
The fourth proportional to 282,130.68, 389,311.98 and 168,950.52 is: 233,134.74
Step by Step Solution
- Step 1: Write the proportion equation
282,130.68 : 389,311.98 = 168,950.52 : x - Step 2: Convert to fraction form
282,130.68/389,311.98 = 168,950.52/x - Step 3: Cross multiply
282,130.68x = 389,311.98 × 168,950.52 - Step 4: Simplify right side
282,130.68x = 65,774,461,463.23 - Step 5: Solve for x
x = 65,774,461,463.23/282,130.68 - Step 6: Final answer
x = 233,134.74
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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.