Finding the Fourth Proportional to 324,973.62, 448,525.65 and 217,730.63
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Solution
The fourth proportional to 324,973.62, 448,525.65 and 217,730.63 is: 300,509.85
Step by Step Solution
- Step 1: Write the proportion equation
324,973.62 : 448,525.65 = 217,730.63 : x - Step 2: Convert to fraction form
324,973.62/448,525.65 = 217,730.63/x - Step 3: Cross multiply
324,973.62x = 448,525.65 × 217,730.63 - Step 4: Simplify right side
324,973.62x = 97,657,774,283.46 - Step 5: Solve for x
x = 97,657,774,283.46/324,973.62 - Step 6: Final answer
x = 300,509.85
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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.