Finding the Fourth Proportional to 507,408.24, 700,246.48 and 281,053.76
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Solution
The fourth proportional to 507,408.24, 700,246.48 and 281,053.76 is: 387,866.99
Step by Step Solution
- Step 1: Write the proportion equation
507,408.24 : 700,246.48 = 281,053.76 : x - Step 2: Convert to fraction form
507,408.24/700,246.48 = 281,053.76/x - Step 3: Cross multiply
507,408.24x = 700,246.48 × 281,053.76 - Step 4: Simplify right side
507,408.24x = 196,806,906,130.77 - Step 5: Solve for x
x = 196,806,906,130.77/507,408.24 - Step 6: Final answer
x = 387,866.99
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1.5x scale
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.