Finding the Fourth Proportional to 318,924.96, 440,114.40 and 175,681.68
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Solution
The fourth proportional to 318,924.96, 440,114.40 and 175,681.68 is: 242,439.59
Step by Step Solution
- Step 1: Write the proportion equation
318,924.96 : 440,114.40 = 175,681.68 : x - Step 2: Convert to fraction form
318,924.96/440,114.40 = 175,681.68/x - Step 3: Cross multiply
318,924.96x = 440,114.40 × 175,681.68 - Step 4: Simplify right side
318,924.96x = 77,320,037,184.19 - Step 5: Solve for x
x = 77,320,037,184.19/318,924.96 - Step 6: Final answer
x = 242,439.59
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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.