Finding the Fourth Proportional to 176,666.21, 243,777.22 and 119,430.07
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Solution
The fourth proportional to 176,666.21, 243,777.22 and 119,430.07 is: 164,798.52
Step by Step Solution
- Step 1: Write the proportion equation
176,666.21 : 243,777.22 = 119,430.07 : x - Step 2: Convert to fraction form
176,666.21/243,777.22 = 119,430.07/x - Step 3: Cross multiply
176,666.21x = 243,777.22 × 119,430.07 - Step 4: Simplify right side
176,666.21x = 29,114,330,449.01 - Step 5: Solve for x
x = 29,114,330,449.01/176,666.21 - Step 6: Final answer
x = 164,798.52
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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.