Finding the Fourth Proportional to 266,263.18, 367,429.50 and 145,381.18
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Solution
The fourth proportional to 266,263.18, 367,429.50 and 145,381.18 is: 200,618.55
Step by Step Solution
- Step 1: Write the proportion equation
266,263.18 : 367,429.50 = 145,381.18 : x - Step 2: Convert to fraction form
266,263.18/367,429.50 = 145,381.18/x - Step 3: Cross multiply
266,263.18x = 367,429.50 × 145,381.18 - Step 4: Simplify right side
266,263.18x = 53,417,334,276.81 - Step 5: Solve for x
x = 53,417,334,276.81/266,263.18 - Step 6: Final answer
x = 200,618.55
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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.