Finding the Fourth Proportional to 266,130.56, 399,173.06 and 97,644.08
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Solution
The fourth proportional to 266,130.56, 399,173.06 and 97,644.08 is: 146,457.77
Step by Step Solution
- Step 1: Write the proportion equation
266,130.56 : 399,173.06 = 97,644.08 : x - Step 2: Convert to fraction form
266,130.56/399,173.06 = 97,644.08/x - Step 3: Cross multiply
266,130.56x = 399,173.06 × 97,644.08 - Step 4: Simplify right side
266,130.56x = 38,976,887,446.53 - Step 5: Solve for x
x = 38,976,887,446.53/266,130.56 - Step 6: Final answer
x = 146,457.77
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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.