Finding the Fourth Proportional to 431,135.22, 646,802.99 and 146,828.21
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Solution
The fourth proportional to 431,135.22, 646,802.99 and 146,828.21 is: 220,276.42
Step by Step Solution
- Step 1: Write the proportion equation
431,135.22 : 646,802.99 = 146,828.21 : x - Step 2: Convert to fraction form
431,135.22/646,802.99 = 146,828.21/x - Step 3: Cross multiply
431,135.22x = 646,802.99 × 146,828.21 - Step 4: Simplify right side
431,135.22x = 94,968,925,465.06 - Step 5: Solve for x
x = 94,968,925,465.06/431,135.22 - Step 6: Final answer
x = 220,276.42
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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.