Finding the Fourth Proportional to 398,252.44, 549,569.41 and 216,963.51
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Solution
The fourth proportional to 398,252.44, 549,569.41 and 216,963.51 is: 299,399.32
Step by Step Solution
- Step 1: Write the proportion equation
398,252.44 : 549,569.41 = 216,963.51 : x - Step 2: Convert to fraction form
398,252.44/549,569.41 = 216,963.51/x - Step 3: Cross multiply
398,252.44x = 549,569.41 × 216,963.51 - Step 4: Simplify right side
398,252.44x = 119,236,508,182.23 - Step 5: Solve for x
x = 119,236,508,182.23/398,252.44 - Step 6: Final answer
x = 299,399.32
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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.