Finding the Fourth Proportional to 571,102.92, 788,153.58 and 316,448.68
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Solution
The fourth proportional to 571,102.92, 788,153.58 and 316,448.68 is: 436,716.66
Step by Step Solution
- Step 1: Write the proportion equation
571,102.92 : 788,153.58 = 316,448.68 : x - Step 2: Convert to fraction form
571,102.92/788,153.58 = 316,448.68/x - Step 3: Cross multiply
571,102.92x = 788,153.58 × 316,448.68 - Step 4: Simplify right side
571,102.92x = 249,410,160,028.27 - Step 5: Solve for x
x = 249,410,160,028.27/571,102.92 - Step 6: Final answer
x = 436,716.66
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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.