Finding the Fourth Proportional to 302,671.08, 414,661.25 and 291,320.55
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Solution
The fourth proportional to 302,671.08, 414,661.25 and 291,320.55 is: 399,110.95
Step by Step Solution
- Step 1: Write the proportion equation
302,671.08 : 414,661.25 = 291,320.55 : x - Step 2: Convert to fraction form
302,671.08/414,661.25 = 291,320.55/x - Step 3: Cross multiply
302,671.08x = 414,661.25 × 291,320.55 - Step 4: Simplify right side
302,671.08x = 120,799,341,340.38 - Step 5: Solve for x
x = 120,799,341,340.38/302,671.08 - Step 6: Final answer
x = 399,110.95
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.