Finding the Fourth Proportional to 343,365.62, 473,893.13 and 190,437.62
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Solution
The fourth proportional to 343,365.62, 473,893.13 and 190,437.62 is: 262,830.85
Step by Step Solution
- Step 1: Write the proportion equation
343,365.62 : 473,893.13 = 190,437.62 : x - Step 2: Convert to fraction form
343,365.62/473,893.13 = 190,437.62/x - Step 3: Cross multiply
343,365.62x = 473,893.13 × 190,437.62 - Step 4: Simplify right side
343,365.62x = 90,247,077,918.18 - Step 5: Solve for x
x = 90,247,077,918.18/343,365.62 - Step 6: Final answer
x = 262,830.85
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1.5x scale
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.