Finding the Fourth Proportional to 437,897.21, 604,297.81 and 236,693.21
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Solution
The fourth proportional to 437,897.21, 604,297.81 and 236,693.21 is: 326,636.45
Step by Step Solution
- Step 1: Write the proportion equation
437,897.21 : 604,297.81 = 236,693.21 : x - Step 2: Convert to fraction form
437,897.21/604,297.81 = 236,693.21/x - Step 3: Cross multiply
437,897.21x = 604,297.81 × 236,693.21 - Step 4: Simplify right side
437,897.21x = 143,033,188,444.87 - Step 5: Solve for x
x = 143,033,188,444.87/437,897.21 - Step 6: Final answer
x = 326,636.45
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1.5x scale
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.