Finding the Fourth Proportional to 318,547.68, 439,579.84 and 175,304.08
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Solution
The fourth proportional to 318,547.68, 439,579.84 and 175,304.08 is: 241,910.85
Step by Step Solution
- Step 1: Write the proportion equation
318,547.68 : 439,579.84 = 175,304.08 : x - Step 2: Convert to fraction form
318,547.68/439,579.84 = 175,304.08/x - Step 3: Cross multiply
318,547.68x = 439,579.84 × 175,304.08 - Step 4: Simplify right side
318,547.68x = 77,060,139,437.75 - Step 5: Solve for x
x = 77,060,139,437.75/318,547.68 - Step 6: Final answer
x = 241,910.85
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1.5x scale
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.