Finding the Fourth Proportional to 480,316.28, 720,488.99 and 164,768.63
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Solution
The fourth proportional to 480,316.28, 720,488.99 and 164,768.63 is: 247,157.94
Step by Step Solution
- Step 1: Write the proportion equation
480,316.28 : 720,488.99 = 164,768.63 : x - Step 2: Convert to fraction form
480,316.28/720,488.99 = 164,768.63/x - Step 3: Cross multiply
480,316.28x = 720,488.99 × 164,768.63 - Step 4: Simplify right side
480,316.28x = 118,713,980,621.86 - Step 5: Solve for x
x = 118,713,980,621.86/480,316.28 - Step 6: Final answer
x = 247,157.94
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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.