Finding the Fourth Proportional to 437,922.20, 604,332.40 and 236,718.20
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Solution
The fourth proportional to 437,922.20, 604,332.40 and 236,718.20 is: 326,670.99
Step by Step Solution
- Step 1: Write the proportion equation
437,922.20 : 604,332.40 = 236,718.20 : x - Step 2: Convert to fraction form
437,922.20/604,332.40 = 236,718.20/x - Step 3: Cross multiply
437,922.20x = 604,332.40 × 236,718.20 - Step 4: Simplify right side
437,922.20x = 143,056,477,929.68 - Step 5: Solve for x
x = 143,056,477,929.68/437,922.20 - Step 6: Final answer
x = 326,670.99
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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.