Finding the Fourth Proportional to 375,412.68, 563,104.44 and 138,750.12
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Solution
The fourth proportional to 375,412.68, 563,104.44 and 138,750.12 is: 208,119.79
Step by Step Solution
- Step 1: Write the proportion equation
375,412.68 : 563,104.44 = 138,750.12 : x - Step 2: Convert to fraction form
375,412.68/563,104.44 = 138,750.12/x - Step 3: Cross multiply
375,412.68x = 563,104.44 × 138,750.12 - Step 4: Simplify right side
375,412.68x = 78,130,808,622.53 - Step 5: Solve for x
x = 78,130,808,622.53/375,412.68 - Step 6: Final answer
x = 208,119.79
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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.