Finding the Fourth Proportional to 340,862.96, 470,394.06 and 187,907.02
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Solution
The fourth proportional to 340,862.96, 470,394.06 and 187,907.02 is: 259,313.44
Step by Step Solution
- Step 1: Write the proportion equation
340,862.96 : 470,394.06 = 187,907.02 : x - Step 2: Convert to fraction form
340,862.96/470,394.06 = 187,907.02/x - Step 3: Cross multiply
340,862.96x = 470,394.06 × 187,907.02 - Step 4: Simplify right side
340,862.96x = 88,390,346,040.30 - Step 5: Solve for x
x = 88,390,346,040.30/340,862.96 - Step 6: Final answer
x = 259,313.44
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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.