Finding the Fourth Proportional to 340,088.79, 510,198.80 and 190,497.99
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Solution
The fourth proportional to 340,088.79, 510,198.80 and 190,497.99 is: 285,783.74
Step by Step Solution
- Step 1: Write the proportion equation
340,088.79 : 510,198.80 = 190,497.99 : x - Step 2: Convert to fraction form
340,088.79/510,198.80 = 190,497.99/x - Step 3: Cross multiply
340,088.79x = 510,198.80 × 190,497.99 - Step 4: Simplify right side
340,088.79x = 97,191,845,900.41 - Step 5: Solve for x
x = 97,191,845,900.41/340,088.79 - Step 6: Final answer
x = 285,783.74
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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.