Finding the Fourth Proportional to 645,459.18, 968,328.06 and 196,216.23
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Solution
The fourth proportional to 645,459.18, 968,328.06 and 196,216.23 is: 294,366.69
Step by Step Solution
- Step 1: Write the proportion equation
645,459.18 : 968,328.06 = 196,216.23 : x - Step 2: Convert to fraction form
645,459.18/968,328.06 = 196,216.23/x - Step 3: Cross multiply
645,459.18x = 968,328.06 × 196,216.23 - Step 4: Simplify right side
645,459.18x = 190,001,685,335.55 - Step 5: Solve for x
x = 190,001,685,335.55/645,459.18 - Step 6: Final answer
x = 294,366.69
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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.