Finding the Fourth Proportional to 438,034.79, 604,487.99 and 236,830.79
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Solution
The fourth proportional to 438,034.79, 604,487.99 and 236,830.79 is: 326,826.48
Step by Step Solution
- Step 1: Write the proportion equation
438,034.79 : 604,487.99 = 236,830.79 : x - Step 2: Convert to fraction form
438,034.79/604,487.99 = 236,830.79/x - Step 3: Cross multiply
438,034.79x = 604,487.99 × 236,830.79 - Step 4: Simplify right side
438,034.79x = 143,161,370,320.51 - Step 5: Solve for x
x = 143,161,370,320.51/438,034.79 - Step 6: Final answer
x = 326,826.48
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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.