Finding the Fourth Proportional to 157,770.35, 219,192.86 and 155,878.65
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Solution
The fourth proportional to 157,770.35, 219,192.86 and 155,878.65 is: 216,564.69
Step by Step Solution
- Step 1: Write the proportion equation
157,770.35 : 219,192.86 = 155,878.65 : x - Step 2: Convert to fraction form
157,770.35/219,192.86 = 155,878.65/x - Step 3: Cross multiply
157,770.35x = 219,192.86 × 155,878.65 - Step 4: Simplify right side
157,770.35x = 34,167,487,106.44 - Step 5: Solve for x
x = 34,167,487,106.44/157,770.35 - Step 6: Final answer
x = 216,564.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.