Finding the Fourth Proportional to 494,798.14, 742,318.08 and 157,838.77
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Solution
The fourth proportional to 494,798.14, 742,318.08 and 157,838.77 is: 236,796.71
Step by Step Solution
- Step 1: Write the proportion equation
494,798.14 : 742,318.08 = 157,838.77 : x - Step 2: Convert to fraction form
494,798.14/742,318.08 = 157,838.77/x - Step 3: Cross multiply
494,798.14x = 742,318.08 × 157,838.77 - Step 4: Simplify right side
494,798.14x = 117,166,572,695.96 - Step 5: Solve for x
x = 117,166,572,695.96/494,798.14 - Step 6: Final answer
x = 236,796.71
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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.