Finding the Fourth Proportional to 307,394.08, 424,238.16 and 180,177.28
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Solution
The fourth proportional to 307,394.08, 424,238.16 and 180,177.28 is: 248,664.77
Step by Step Solution
- Step 1: Write the proportion equation
307,394.08 : 424,238.16 = 180,177.28 : x - Step 2: Convert to fraction form
307,394.08/424,238.16 = 180,177.28/x - Step 3: Cross multiply
307,394.08x = 424,238.16 × 180,177.28 - Step 4: Simplify right side
307,394.08x = 76,438,077,741.00 - Step 5: Solve for x
x = 76,438,077,741.00/307,394.08 - Step 6: Final answer
x = 248,664.77
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1.5x scale
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.