Finding the Fourth Proportional to 553,833.69, 764,291.18 and 299,184.88
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Solution
The fourth proportional to 553,833.69, 764,291.18 and 299,184.88 is: 412,875.50
Step by Step Solution
- Step 1: Write the proportion equation
553,833.69 : 764,291.18 = 299,184.88 : x - Step 2: Convert to fraction form
553,833.69/764,291.18 = 299,184.88/x - Step 3: Cross multiply
553,833.69x = 764,291.18 × 299,184.88 - Step 4: Simplify right side
553,833.69x = 228,664,359,655.98 - Step 5: Solve for x
x = 228,664,359,655.98/553,833.69 - Step 6: Final answer
x = 412,875.50
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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.