Finding the Fourth Proportional to 350,071.40, 525,740.70 and 306,525.80
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Solution
The fourth proportional to 350,071.40, 525,740.70 and 306,525.80 is: 460,343.49
Step by Step Solution
- Step 1: Write the proportion equation
350,071.40 : 525,740.70 = 306,525.80 : x - Step 2: Convert to fraction form
350,071.40/525,740.70 = 306,525.80/x - Step 3: Cross multiply
350,071.40x = 525,740.70 × 306,525.80 - Step 4: Simplify right side
350,071.40x = 161,153,088,660.06 - Step 5: Solve for x
x = 161,153,088,660.06/350,071.40 - Step 6: Final answer
x = 460,343.49
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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.