Finding the Fourth Proportional to 343,368.92, 473,840.36 and 190,404.67
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Solution
The fourth proportional to 343,368.92, 473,840.36 and 190,404.67 is: 262,753.60
Step by Step Solution
- Step 1: Write the proportion equation
343,368.92 : 473,840.36 = 190,404.67 : x - Step 2: Convert to fraction form
343,368.92/473,840.36 = 190,404.67/x - Step 3: Cross multiply
343,368.92x = 473,840.36 × 190,404.67 - Step 4: Simplify right side
343,368.92x = 90,221,417,378.48 - Step 5: Solve for x
x = 90,221,417,378.48/343,368.92 - Step 6: Final answer
x = 262,753.60
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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.