Finding the Fourth Proportional to 453,117.49, 679,632.36 and 137,577.13
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Solution
The fourth proportional to 453,117.49, 679,632.36 and 137,577.13 is: 206,352.37
Step by Step Solution
- Step 1: Write the proportion equation
453,117.49 : 679,632.36 = 137,577.13 : x - Step 2: Convert to fraction form
453,117.49/679,632.36 = 137,577.13/x - Step 3: Cross multiply
453,117.49x = 679,632.36 × 137,577.13 - Step 4: Simplify right side
453,117.49x = 93,501,869,543.93 - Step 5: Solve for x
x = 93,501,869,543.93/453,117.49 - Step 6: Final answer
x = 206,352.37
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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.