Finding the Fourth Proportional to 351,430.06, 527,140.36 and 85,192.87
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Solution
The fourth proportional to 351,430.06, 527,140.36 and 85,192.87 is: 127,788.16
Step by Step Solution
- Step 1: Write the proportion equation
351,430.06 : 527,140.36 = 85,192.87 : x - Step 2: Convert to fraction form
351,430.06/527,140.36 = 85,192.87/x - Step 3: Cross multiply
351,430.06x = 527,140.36 × 85,192.87 - Step 4: Simplify right side
351,430.06x = 44,908,600,161.23 - Step 5: Solve for x
x = 44,908,600,161.23/351,430.06 - Step 6: Final answer
x = 127,788.16
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1.5x scale
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.