Finding the Fourth Proportional to 561,228.36, 774,512.16 and 306,595.95
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Solution
The fourth proportional to 561,228.36, 774,512.16 and 306,595.95 is: 423,111.71
Step by Step Solution
- Step 1: Write the proportion equation
561,228.36 : 774,512.16 = 306,595.95 : x - Step 2: Convert to fraction form
561,228.36/774,512.16 = 306,595.95/x - Step 3: Cross multiply
561,228.36x = 774,512.16 × 306,595.95 - Step 4: Simplify right side
561,228.36x = 237,462,291,481.75 - Step 5: Solve for x
x = 237,462,291,481.75/561,228.36 - Step 6: Final answer
x = 423,111.71
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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.