Finding the Fourth Proportional to 561,221.24, 774,502.28 and 306,588.82
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Solution
The fourth proportional to 561,221.24, 774,502.28 and 306,588.82 is: 423,101.84
Step by Step Solution
- Step 1: Write the proportion equation
561,221.24 : 774,502.28 = 306,588.82 : x - Step 2: Convert to fraction form
561,221.24/774,502.28 = 306,588.82/x - Step 3: Cross multiply
561,221.24x = 774,502.28 × 306,588.82 - Step 4: Simplify right side
561,221.24x = 237,453,740,112.51 - Step 5: Solve for x
x = 237,453,740,112.51/561,221.24 - Step 6: Final answer
x = 423,101.84
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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.