Finding the Fourth Proportional to 351,948.24, 525,989.16 and 257,376.96
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Solution
The fourth proportional to 351,948.24, 525,989.16 and 257,376.96 is: 384,651.71
Step by Step Solution
- Step 1: Write the proportion equation
351,948.24 : 525,989.16 = 257,376.96 : x - Step 2: Convert to fraction form
351,948.24/525,989.16 = 257,376.96/x - Step 3: Cross multiply
351,948.24x = 525,989.16 × 257,376.96 - Step 4: Simplify right side
351,948.24x = 135,377,490,993.75 - Step 5: Solve for x
x = 135,377,490,993.75/351,948.24 - Step 6: Final answer
x = 384,651.71
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.