Finding the Fourth Proportional to 461,238.30, 636,252.98 and 270,214.79
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Solution
The fourth proportional to 461,238.30, 636,252.98 and 270,214.79 is: 372,746.50
Step by Step Solution
- Step 1: Write the proportion equation
461,238.30 : 636,252.98 = 270,214.79 : x - Step 2: Convert to fraction form
461,238.30/636,252.98 = 270,214.79/x - Step 3: Cross multiply
461,238.30x = 636,252.98 × 270,214.79 - Step 4: Simplify right side
461,238.30x = 171,924,960,845.24 - Step 5: Solve for x
x = 171,924,960,845.24/461,238.30 - Step 6: Final answer
x = 372,746.50
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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.