Finding the Fourth Proportional to 340,857.68, 470,404.16 and 187,895.68
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Solution
The fourth proportional to 340,857.68, 470,404.16 and 187,895.68 is: 259,307.37
Step by Step Solution
- Step 1: Write the proportion equation
340,857.68 : 470,404.16 = 187,895.68 : x - Step 2: Convert to fraction form
340,857.68/470,404.16 = 187,895.68/x - Step 3: Cross multiply
340,857.68x = 470,404.16 × 187,895.68 - Step 4: Simplify right side
340,857.68x = 88,386,909,518.03 - Step 5: Solve for x
x = 88,386,909,518.03/340,857.68 - Step 6: Final answer
x = 259,307.37
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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.