Finding the Fourth Proportional to 318,774.94, 439,909.43 and 175,534.65
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Solution
The fourth proportional to 318,774.94, 439,909.43 and 175,534.65 is: 242,237.82
Step by Step Solution
- Step 1: Write the proportion equation
318,774.94 : 439,909.43 = 175,534.65 : x - Step 2: Convert to fraction form
318,774.94/439,909.43 = 175,534.65/x - Step 3: Cross multiply
318,774.94x = 439,909.43 × 175,534.65 - Step 4: Simplify right side
318,774.94x = 77,219,346,949.08 - Step 5: Solve for x
x = 77,219,346,949.08/318,774.94 - Step 6: Final answer
x = 242,237.82
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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.