Finding the Fourth Proportional to 390,677.04, 586,113.84 and 180,463.68
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Solution
The fourth proportional to 390,677.04, 586,113.84 and 180,463.68 is: 270,740.92
Step by Step Solution
- Step 1: Write the proportion equation
390,677.04 : 586,113.84 = 180,463.68 : x - Step 2: Convert to fraction form
390,677.04/586,113.84 = 180,463.68/x - Step 3: Cross multiply
390,677.04x = 586,113.84 × 180,463.68 - Step 4: Simplify right side
390,677.04x = 105,772,260,465.33 - Step 5: Solve for x
x = 105,772,260,465.33/390,677.04 - Step 6: Final answer
x = 270,740.92
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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.