Finding the Fourth Proportional to 340,086.79, 510,195.80 and 190,495.99
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Solution
The fourth proportional to 340,086.79, 510,195.80 and 190,495.99 is: 285,780.74
Step by Step Solution
- Step 1: Write the proportion equation
340,086.79 : 510,195.80 = 190,495.99 : x - Step 2: Convert to fraction form
340,086.79/510,195.80 = 190,495.99/x - Step 3: Cross multiply
340,086.79x = 510,195.80 × 190,495.99 - Step 4: Simplify right side
340,086.79x = 97,190,254,014.84 - Step 5: Solve for x
x = 97,190,254,014.84/340,086.79 - Step 6: Final answer
x = 285,780.74
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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.