Finding the Fourth Proportional to 398,479.68, 549,857.70 and 237,312.36
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Solution
The fourth proportional to 398,479.68, 549,857.70 and 237,312.36 is: 327,464.70
Step by Step Solution
- Step 1: Write the proportion equation
398,479.68 : 549,857.70 = 237,312.36 : x - Step 2: Convert to fraction form
398,479.68/549,857.70 = 237,312.36/x - Step 3: Cross multiply
398,479.68x = 549,857.70 × 237,312.36 - Step 4: Simplify right side
398,479.68x = 130,488,028,451.17 - Step 5: Solve for x
x = 130,488,028,451.17/398,479.68 - Step 6: Final answer
x = 327,464.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.