Finding the Fourth Proportional to 473,117.49, 708,949.53 and 321,117.08
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Solution
The fourth proportional to 473,117.49, 708,949.53 and 321,117.08 is: 481,182.38
Step by Step Solution
- Step 1: Write the proportion equation
473,117.49 : 708,949.53 = 321,117.08 : x - Step 2: Convert to fraction form
473,117.49/708,949.53 = 321,117.08/x - Step 3: Cross multiply
473,117.49x = 708,949.53 × 321,117.08 - Step 4: Simplify right side
473,117.49x = 227,655,799,396.23 - Step 5: Solve for x
x = 227,655,799,396.23/473,117.49 - Step 6: Final answer
x = 481,182.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.