Finding the Fourth Proportional to 557,182.99, 768,913.52 and 302,534.18
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Solution
The fourth proportional to 557,182.99, 768,913.52 and 302,534.18 is: 417,497.71
Step by Step Solution
- Step 1: Write the proportion equation
557,182.99 : 768,913.52 = 302,534.18 : x - Step 2: Convert to fraction form
557,182.99/768,913.52 = 302,534.18/x - Step 3: Cross multiply
557,182.99x = 768,913.52 × 302,534.18 - Step 4: Simplify right side
557,182.99x = 232,622,621,264.11 - Step 5: Solve for x
x = 232,622,621,264.11/557,182.99 - Step 6: Final answer
x = 417,497.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.