Finding the Fourth Proportional to 445,209.14, 668,032.95 and 208,510.94
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Solution
The fourth proportional to 445,209.14, 668,032.95 and 208,510.94 is: 312,869.09
Step by Step Solution
- Step 1: Write the proportion equation
445,209.14 : 668,032.95 = 208,510.94 : x - Step 2: Convert to fraction form
445,209.14/668,032.95 = 208,510.94/x - Step 3: Cross multiply
445,209.14x = 668,032.95 × 208,510.94 - Step 4: Simplify right side
445,209.14x = 139,292,178,355.47 - Step 5: Solve for x
x = 139,292,178,355.47/445,209.14 - Step 6: Final answer
x = 312,869.09
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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.