Finding the Fourth Proportional to 219,539.07, 302,964.21 and 118,937.07
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Solution
The fourth proportional to 219,539.07, 302,964.21 and 118,937.07 is: 164,133.32
Step by Step Solution
- Step 1: Write the proportion equation
219,539.07 : 302,964.21 = 118,937.07 : x - Step 2: Convert to fraction form
219,539.07/302,964.21 = 118,937.07/x - Step 3: Cross multiply
219,539.07x = 302,964.21 × 118,937.07 - Step 4: Simplify right side
219,539.07x = 36,033,675,452.26 - Step 5: Solve for x
x = 36,033,675,452.26/219,539.07 - Step 6: Final answer
x = 164,133.32
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1.5x scale
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.