Finding the Fourth Proportional to 357,661.40, 536,575.14 and 104,931.68
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Solution
The fourth proportional to 357,661.40, 536,575.14 and 104,931.68 is: 157,421.88
Step by Step Solution
- Step 1: Write the proportion equation
357,661.40 : 536,575.14 = 104,931.68 : x - Step 2: Convert to fraction form
357,661.40/536,575.14 = 104,931.68/x - Step 3: Cross multiply
357,661.40x = 536,575.14 × 104,931.68 - Step 4: Simplify right side
357,661.40x = 56,303,728,203.56 - Step 5: Solve for x
x = 56,303,728,203.56/357,661.40 - Step 6: Final answer
x = 157,421.88
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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.