Finding the Fourth Proportional to 266,727.53, 400,403.86 and 210,605.47
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Solution
The fourth proportional to 266,727.53, 400,403.86 and 210,605.47 is: 316,154.99
Step by Step Solution
- Step 1: Write the proportion equation
266,727.53 : 400,403.86 = 210,605.47 : x - Step 2: Convert to fraction form
266,727.53/400,403.86 = 210,605.47/x - Step 3: Cross multiply
266,727.53x = 400,403.86 × 210,605.47 - Step 4: Simplify right side
266,727.53x = 84,327,241,597.59 - Step 5: Solve for x
x = 84,327,241,597.59/266,727.53 - Step 6: Final answer
x = 316,154.99
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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.