Finding the Fourth Proportional to 438,038.08, 604,492.80 and 236,833.92
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Solution
The fourth proportional to 438,038.08, 604,492.80 and 236,833.92 is: 326,830.94
Step by Step Solution
- Step 1: Write the proportion equation
438,038.08 : 604,492.80 = 236,833.92 : x - Step 2: Convert to fraction form
438,038.08/604,492.80 = 236,833.92/x - Step 3: Cross multiply
438,038.08x = 604,492.80 × 236,833.92 - Step 4: Simplify right side
438,038.08x = 143,164,399,435.78 - Step 5: Solve for x
x = 143,164,399,435.78/438,038.08 - Step 6: Final answer
x = 326,830.94
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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.