Finding the Fourth Proportional to 697,349.70, 1,046,024.55 and 191,909.70
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Solution
The fourth proportional to 697,349.70, 1,046,024.55 and 191,909.70 is: 287,864.55
Step by Step Solution
- Step 1: Write the proportion equation
697,349.70 : 1,046,024.55 = 191,909.70 : x - Step 2: Convert to fraction form
697,349.70/1,046,024.55 = 191,909.70/x - Step 3: Cross multiply
697,349.70x = 1,046,024.55 × 191,909.70 - Step 4: Simplify right side
697,349.70x = 200,742,257,583.14 - Step 5: Solve for x
x = 200,742,257,583.14/697,349.70 - Step 6: Final answer
x = 287,864.55
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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.