Finding the Fourth Proportional to 438,027.84, 604,479.32 and 236,823.84
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Solution
The fourth proportional to 438,027.84, 604,479.32 and 236,823.84 is: 326,817.39
Step by Step Solution
- Step 1: Write the proportion equation
438,027.84 : 604,479.32 = 236,823.84 : x - Step 2: Convert to fraction form
438,027.84/604,479.32 = 236,823.84/x - Step 3: Cross multiply
438,027.84x = 604,479.32 × 236,823.84 - Step 4: Simplify right side
438,027.84x = 143,155,113,762.99 - Step 5: Solve for x
x = 143,155,113,762.99/438,027.84 - Step 6: Final answer
x = 326,817.39
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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.