Finding the Fourth Proportional to 561,352.42, 774,657.30 and 306,698.14
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Solution
The fourth proportional to 561,352.42, 774,657.30 and 306,698.14 is: 423,238.49
Step by Step Solution
- Step 1: Write the proportion equation
561,352.42 : 774,657.30 = 306,698.14 : x - Step 2: Convert to fraction form
561,352.42/774,657.30 = 306,698.14/x - Step 3: Cross multiply
561,352.42x = 774,657.30 × 306,698.14 - Step 4: Simplify right side
561,352.42x = 237,585,953,047.42 - Step 5: Solve for x
x = 237,585,953,047.42/561,352.42 - Step 6: Final answer
x = 423,238.49
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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.