Finding the Fourth Proportional to 288,526.55, 432,699.86 and 108,636.99
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Solution
The fourth proportional to 288,526.55, 432,699.86 and 108,636.99 is: 162,921.61
Step by Step Solution
- Step 1: Write the proportion equation
288,526.55 : 432,699.86 = 108,636.99 : x - Step 2: Convert to fraction form
288,526.55/432,699.86 = 108,636.99/x - Step 3: Cross multiply
288,526.55x = 432,699.86 × 108,636.99 - Step 4: Simplify right side
288,526.55x = 47,007,209,820.64 - Step 5: Solve for x
x = 47,007,209,820.64/288,526.55 - Step 6: Final answer
x = 162,921.61
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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.