Finding the Fourth Proportional to 286,589.04, 429,827.58 and 272,364.18
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Solution
The fourth proportional to 286,589.04, 429,827.58 and 272,364.18 is: 408,493.07
Step by Step Solution
- Step 1: Write the proportion equation
286,589.04 : 429,827.58 = 272,364.18 : x - Step 2: Convert to fraction form
286,589.04/429,827.58 = 272,364.18/x - Step 3: Cross multiply
286,589.04x = 429,827.58 × 272,364.18 - Step 4: Simplify right side
286,589.04x = 117,069,636,368.08 - Step 5: Solve for x
x = 117,069,636,368.08/286,589.04 - Step 6: Final answer
x = 408,493.07
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1.5x scale
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.