Finding the Fourth Proportional to 257,913.68, 355,829.60 and 168,541.52
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Solution
The fourth proportional to 257,913.68, 355,829.60 and 168,541.52 is: 232,527.65
Step by Step Solution
- Step 1: Write the proportion equation
257,913.68 : 355,829.60 = 168,541.52 : x - Step 2: Convert to fraction form
257,913.68/355,829.60 = 168,541.52/x - Step 3: Cross multiply
257,913.68x = 355,829.60 × 168,541.52 - Step 4: Simplify right side
257,913.68x = 59,972,061,644.99 - Step 5: Solve for x
x = 59,972,061,644.99/257,913.68 - Step 6: Final answer
x = 232,527.65
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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.