Finding the Fourth Proportional to 465,798.96, 698,698.80 and 199,387.08
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Solution
The fourth proportional to 465,798.96, 698,698.80 and 199,387.08 is: 299,080.77
Step by Step Solution
- Step 1: Write the proportion equation
465,798.96 : 698,698.80 = 199,387.08 : x - Step 2: Convert to fraction form
465,798.96/698,698.80 = 199,387.08/x - Step 3: Cross multiply
465,798.96x = 698,698.80 × 199,387.08 - Step 4: Simplify right side
465,798.96x = 139,311,513,531.50 - Step 5: Solve for x
x = 139,311,513,531.50/465,798.96 - Step 6: Final answer
x = 299,080.77
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1.5x scale
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.