Finding the Fourth Proportional to 442,972.21, 611,269.95 and 249,369.92
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Solution
The fourth proportional to 442,972.21, 611,269.95 and 249,369.92 is: 344,112.63
Step by Step Solution
- Step 1: Write the proportion equation
442,972.21 : 611,269.95 = 249,369.92 : x - Step 2: Convert to fraction form
442,972.21/611,269.95 = 249,369.92/x - Step 3: Cross multiply
442,972.21x = 611,269.95 × 249,369.92 - Step 4: Simplify right side
442,972.21x = 152,432,334,226.71 - Step 5: Solve for x
x = 152,432,334,226.71/442,972.21 - Step 6: Final answer
x = 344,112.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.