Finding the Fourth Proportional to 219,240.09, 302,551.16 and 118,638.09
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Solution
The fourth proportional to 219,240.09, 302,551.16 and 118,638.09 is: 163,720.47
Step by Step Solution
- Step 1: Write the proportion equation
219,240.09 : 302,551.16 = 118,638.09 : x - Step 2: Convert to fraction form
219,240.09/302,551.16 = 118,638.09/x - Step 3: Cross multiply
219,240.09x = 302,551.16 × 118,638.09 - Step 4: Simplify right side
219,240.09x = 35,894,091,156.49 - Step 5: Solve for x
x = 35,894,091,156.49/219,240.09 - Step 6: Final answer
x = 163,720.47
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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.