Finding the Fourth Proportional to 460,979.84, 636,309.60 and 270,054.08
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Solution
The fourth proportional to 460,979.84, 636,309.60 and 270,054.08 is: 372,766.85
Step by Step Solution
- Step 1: Write the proportion equation
460,979.84 : 636,309.60 = 270,054.08 : x - Step 2: Convert to fraction form
460,979.84/636,309.60 = 270,054.08/x - Step 3: Cross multiply
460,979.84x = 636,309.60 × 270,054.08 - Step 4: Simplify right side
460,979.84x = 171,838,003,623.17 - Step 5: Solve for x
x = 171,838,003,623.17/460,979.84 - Step 6: Final answer
x = 372,766.85
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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.