Finding the Fourth Proportional to 473,809.96, 653,662.38 and 330,653.08
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Solution
The fourth proportional to 473,809.96, 653,662.38 and 330,653.08 is: 456,164.91
Step by Step Solution
- Step 1: Write the proportion equation
473,809.96 : 653,662.38 = 330,653.08 : x - Step 2: Convert to fraction form
473,809.96/653,662.38 = 330,653.08/x - Step 3: Cross multiply
473,809.96x = 653,662.38 × 330,653.08 - Step 4: Simplify right side
473,809.96x = 216,135,479,227.13 - Step 5: Solve for x
x = 216,135,479,227.13/473,809.96 - Step 6: Final answer
x = 456,164.91
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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.