Finding the Fourth Proportional to 210,406.34, 290,356.81 and 118,525.91
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Solution
The fourth proportional to 210,406.34, 290,356.81 and 118,525.91 is: 163,563.53
Step by Step Solution
- Step 1: Write the proportion equation
210,406.34 : 290,356.81 = 118,525.91 : x - Step 2: Convert to fraction form
210,406.34/290,356.81 = 118,525.91/x - Step 3: Cross multiply
210,406.34x = 290,356.81 × 118,525.91 - Step 4: Simplify right side
210,406.34x = 34,414,803,381.85 - Step 5: Solve for x
x = 34,414,803,381.85/210,406.34 - Step 6: Final answer
x = 163,563.53
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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.