Finding the Fourth Proportional to 313,603.32, 432,776.26 and 170,365.62
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Solution
The fourth proportional to 313,603.32, 432,776.26 and 170,365.62 is: 235,106.55
Step by Step Solution
- Step 1: Write the proportion equation
313,603.32 : 432,776.26 = 170,365.62 : x - Step 2: Convert to fraction form
313,603.32/432,776.26 = 170,365.62/x - Step 3: Cross multiply
313,603.32x = 432,776.26 × 170,365.62 - Step 4: Simplify right side
313,603.32x = 73,730,195,856.18 - Step 5: Solve for x
x = 73,730,195,856.18/313,603.32 - Step 6: Final answer
x = 235,106.55
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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.