Finding the Fourth Proportional to 349,237.08, 526,189.25 and 315,542.23
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Solution
The fourth proportional to 349,237.08, 526,189.25 and 315,542.23 is: 475,421.82
Step by Step Solution
- Step 1: Write the proportion equation
349,237.08 : 526,189.25 = 315,542.23 : x - Step 2: Convert to fraction form
349,237.08/526,189.25 = 315,542.23/x - Step 3: Cross multiply
349,237.08x = 526,189.25 × 315,542.23 - Step 4: Simplify right side
349,237.08x = 166,034,928,820.41 - Step 5: Solve for x
x = 166,034,928,820.41/349,237.08 - Step 6: Final answer
x = 475,421.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.