Finding the Fourth Proportional to 219,762.09, 329,774.36 and 153,069.53
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Solution
The fourth proportional to 219,762.09, 329,774.36 and 153,069.53 is: 229,695.69
Step by Step Solution
- Step 1: Write the proportion equation
219,762.09 : 329,774.36 = 153,069.53 : x - Step 2: Convert to fraction form
219,762.09/329,774.36 = 153,069.53/x - Step 3: Cross multiply
219,762.09x = 329,774.36 × 153,069.53 - Step 4: Simplify right side
219,762.09x = 50,478,403,877.03 - Step 5: Solve for x
x = 50,478,403,877.03/219,762.09 - Step 6: Final answer
x = 229,695.69
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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.