Finding the Fourth Proportional to 258,746.18, 388,097.04 and 157,517.96
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Solution
The fourth proportional to 258,746.18, 388,097.04 and 157,517.96 is: 236,263.41
Step by Step Solution
- Step 1: Write the proportion equation
258,746.18 : 388,097.04 = 157,517.96 : x - Step 2: Convert to fraction form
258,746.18/388,097.04 = 157,517.96/x - Step 3: Cross multiply
258,746.18x = 388,097.04 × 157,517.96 - Step 4: Simplify right side
258,746.18x = 61,132,254,438.76 - Step 5: Solve for x
x = 61,132,254,438.76/258,746.18 - Step 6: Final answer
x = 236,263.41
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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.