Finding the Fourth Proportional to 422,382.21, 633,567.54 and 102,536.53
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Solution
The fourth proportional to 422,382.21, 633,567.54 and 102,536.53 is: 153,803.40
Step by Step Solution
- Step 1: Write the proportion equation
422,382.21 : 633,567.54 = 102,536.53 : x - Step 2: Convert to fraction form
422,382.21/633,567.54 = 102,536.53/x - Step 3: Cross multiply
422,382.21x = 633,567.54 × 102,536.53 - Step 4: Simplify right side
422,382.21x = 64,963,818,859.88 - Step 5: Solve for x
x = 64,963,818,859.88/422,382.21 - Step 6: Final answer
x = 153,803.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.