Finding the Fourth Proportional to 288,656.73, 432,909.23 and 86,204.79
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Solution
The fourth proportional to 288,656.73, 432,909.23 and 86,204.79 is: 129,284.53
Step by Step Solution
- Step 1: Write the proportion equation
288,656.73 : 432,909.23 = 86,204.79 : x - Step 2: Convert to fraction form
288,656.73/432,909.23 = 86,204.79/x - Step 3: Cross multiply
288,656.73x = 432,909.23 × 86,204.79 - Step 4: Simplify right side
288,656.73x = 37,318,848,830.19 - Step 5: Solve for x
x = 37,318,848,830.19/288,656.73 - Step 6: Final answer
x = 129,284.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.