Finding the Fourth Proportional to 314,598.08, 433,768.02 and 257,024.09
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Solution
The fourth proportional to 314,598.08, 433,768.02 and 257,024.09 is: 354,384.97
Step by Step Solution
- Step 1: Write the proportion equation
314,598.08 : 433,768.02 = 257,024.09 : x - Step 2: Convert to fraction form
314,598.08/433,768.02 = 257,024.09/x - Step 3: Cross multiply
314,598.08x = 433,768.02 × 257,024.09 - Step 4: Simplify right side
314,598.08x = 111,488,830,611.60 - Step 5: Solve for x
x = 111,488,830,611.60/314,598.08 - Step 6: Final answer
x = 354,384.97
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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.