Finding the Fourth Proportional to 468,774.06, 646,482.99 and 307,567.86
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Solution
The fourth proportional to 468,774.06, 646,482.99 and 307,567.86 is: 424,164.66
Step by Step Solution
- Step 1: Write the proportion equation
468,774.06 : 646,482.99 = 307,567.86 : x - Step 2: Convert to fraction form
468,774.06/646,482.99 = 307,567.86/x - Step 3: Cross multiply
468,774.06x = 646,482.99 × 307,567.86 - Step 4: Simplify right side
468,774.06x = 198,837,389,760.70 - Step 5: Solve for x
x = 198,837,389,760.70/468,774.06 - Step 6: Final answer
x = 424,164.66
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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.