Finding the Fourth Proportional to 307,935.76, 424,927.11 and 171,959.08
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Solution
The fourth proportional to 307,935.76, 424,927.11 and 171,959.08 is: 237,289.99
Step by Step Solution
- Step 1: Write the proportion equation
307,935.76 : 424,927.11 = 171,959.08 : x - Step 2: Convert to fraction form
307,935.76/424,927.11 = 171,959.08/x - Step 3: Cross multiply
307,935.76x = 424,927.11 × 171,959.08 - Step 4: Simplify right side
307,935.76x = 73,070,074,902.66 - Step 5: Solve for x
x = 73,070,074,902.66/307,935.76 - Step 6: Final answer
x = 237,289.99
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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.