Finding the Fourth Proportional to 398,530.18, 549,974.10 and 237,392.02
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Solution
The fourth proportional to 398,530.18, 549,974.10 and 237,392.02 is: 327,602.45
Step by Step Solution
- Step 1: Write the proportion equation
398,530.18 : 549,974.10 = 237,392.02 : x - Step 2: Convert to fraction form
398,530.18/549,974.10 = 237,392.02/x - Step 3: Cross multiply
398,530.18x = 549,974.10 × 237,392.02 - Step 4: Simplify right side
398,530.18x = 130,559,462,546.68 - Step 5: Solve for x
x = 130,559,462,546.68/398,530.18 - Step 6: Final answer
x = 327,602.45
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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.