Finding the Fourth Proportional to 472,348.47, 708,449.66 and 172,758.99
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Solution
The fourth proportional to 472,348.47, 708,449.66 and 172,758.99 is: 259,111.76
Step by Step Solution
- Step 1: Write the proportion equation
472,348.47 : 708,449.66 = 172,758.99 : x - Step 2: Convert to fraction form
472,348.47/708,449.66 = 172,758.99/x - Step 3: Cross multiply
472,348.47x = 708,449.66 × 172,758.99 - Step 4: Simplify right side
472,348.47x = 122,391,043,321.40 - Step 5: Solve for x
x = 122,391,043,321.40/472,348.47 - Step 6: Final answer
x = 259,111.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.