Finding the Fourth Proportional to 640,566.04, 960,888.62 and 214,140.19
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Solution
The fourth proportional to 640,566.04, 960,888.62 and 214,140.19 is: 321,223.51
Step by Step Solution
- Step 1: Write the proportion equation
640,566.04 : 960,888.62 = 214,140.19 : x - Step 2: Convert to fraction form
640,566.04/960,888.62 = 214,140.19/x - Step 3: Cross multiply
640,566.04x = 960,888.62 × 214,140.19 - Step 4: Simplify right side
640,566.04x = 205,764,871,655.64 - Step 5: Solve for x
x = 205,764,871,655.64/640,566.04 - Step 6: Final answer
x = 321,223.51
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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.