Finding the Fourth Proportional to 438,108.70, 604,590.06 and 236,904.70
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Solution
The fourth proportional to 438,108.70, 604,590.06 and 236,904.70 is: 326,928.52
Step by Step Solution
- Step 1: Write the proportion equation
438,108.70 : 604,590.06 = 236,904.70 : x - Step 2: Convert to fraction form
438,108.70/604,590.06 = 236,904.70/x - Step 3: Cross multiply
438,108.70x = 604,590.06 × 236,904.70 - Step 4: Simplify right side
438,108.70x = 143,230,226,787.28 - Step 5: Solve for x
x = 143,230,226,787.28/438,108.70 - Step 6: Final answer
x = 326,928.52
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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.