Finding the Fourth Proportional to 307,206.24, 423,946.56 and 171,248.82
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Solution
The fourth proportional to 307,206.24, 423,946.56 and 171,248.82 is: 236,324.46
Step by Step Solution
- Step 1: Write the proportion equation
307,206.24 : 423,946.56 = 171,248.82 : x - Step 2: Convert to fraction form
307,206.24/423,946.56 = 171,248.82/x - Step 3: Cross multiply
307,206.24x = 423,946.56 × 171,248.82 - Step 4: Simplify right side
307,206.24x = 72,600,348,143.06 - Step 5: Solve for x
x = 72,600,348,143.06/307,206.24 - Step 6: Final answer
x = 236,324.46
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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.