Finding the Fourth Proportional to 257,696.02, 355,652.07 and 148,800.08
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Solution
The fourth proportional to 257,696.02, 355,652.07 and 148,800.08 is: 205,362.34
Step by Step Solution
- Step 1: Write the proportion equation
257,696.02 : 355,652.07 = 148,800.08 : x - Step 2: Convert to fraction form
257,696.02/355,652.07 = 148,800.08/x - Step 3: Cross multiply
257,696.02x = 355,652.07 × 148,800.08 - Step 4: Simplify right side
257,696.02x = 52,921,056,799.30 - Step 5: Solve for x
x = 52,921,056,799.30/257,696.02 - Step 6: Final answer
x = 205,362.34
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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.