Finding the Fourth Proportional to 210,205.16, 290,092.58 and 118,356.08
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Solution
The fourth proportional to 210,205.16, 290,092.58 and 118,356.08 is: 163,336.71
Step by Step Solution
- Step 1: Write the proportion equation
210,205.16 : 290,092.58 = 118,356.08 : x - Step 2: Convert to fraction form
210,205.16/290,092.58 = 118,356.08/x - Step 3: Cross multiply
210,205.16x = 290,092.58 × 118,356.08 - Step 4: Simplify right side
210,205.16x = 34,334,218,563.64 - Step 5: Solve for x
x = 34,334,218,563.64/210,205.16 - Step 6: Final answer
x = 163,336.71
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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.