Finding the Fourth Proportional to 170,209.10, 234,894.93 and 93,731.51
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Solution
The fourth proportional to 170,209.10, 234,894.93 and 93,731.51 is: 129,352.99
Step by Step Solution
- Step 1: Write the proportion equation
170,209.10 : 234,894.93 = 93,731.51 : x - Step 2: Convert to fraction form
170,209.10/234,894.93 = 93,731.51/x - Step 3: Cross multiply
170,209.10x = 234,894.93 × 93,731.51 - Step 4: Simplify right side
170,209.10x = 22,017,056,480.24 - Step 5: Solve for x
x = 22,017,056,480.24/170,209.10 - Step 6: Final answer
x = 129,352.99
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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.