Finding the Fourth Proportional to 203,038.18, 304,661.02 and 135,616.18
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Solution
The fourth proportional to 203,038.18, 304,661.02 and 135,616.18 is: 203,493.57
Step by Step Solution
- Step 1: Write the proportion equation
203,038.18 : 304,661.02 = 135,616.18 : x - Step 2: Convert to fraction form
203,038.18/304,661.02 = 135,616.18/x - Step 3: Cross multiply
203,038.18x = 304,661.02 × 135,616.18 - Step 4: Simplify right side
203,038.18x = 41,316,963,727.30 - Step 5: Solve for x
x = 41,316,963,727.30/203,038.18 - Step 6: Final answer
x = 203,493.57
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1.5x scale
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.