Finding the Fourth Proportional to 304,827.12, 420,655.92 and 168,860.65
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Solution
The fourth proportional to 304,827.12, 420,655.92 and 168,860.65 is: 233,024.65
Step by Step Solution
- Step 1: Write the proportion equation
304,827.12 : 420,655.92 = 168,860.65 : x - Step 2: Convert to fraction form
304,827.12/420,655.92 = 168,860.65/x - Step 3: Cross multiply
304,827.12x = 420,655.92 × 168,860.65 - Step 4: Simplify right side
304,827.12x = 71,032,232,077.55 - Step 5: Solve for x
x = 71,032,232,077.55/304,827.12 - Step 6: Final answer
x = 233,024.65
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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.