Finding the Fourth Proportional to 313,519.14, 470,130.48 and 121,483.53
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Solution
The fourth proportional to 313,519.14, 470,130.48 and 121,483.53 is: 182,167.86
Step by Step Solution
- Step 1: Write the proportion equation
313,519.14 : 470,130.48 = 121,483.53 : x - Step 2: Convert to fraction form
313,519.14/470,130.48 = 121,483.53/x - Step 3: Cross multiply
313,519.14x = 470,130.48 × 121,483.53 - Step 4: Simplify right side
313,519.14x = 57,113,110,270.99 - Step 5: Solve for x
x = 57,113,110,270.99/313,519.14 - Step 6: Final answer
x = 182,167.86
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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.