Finding the Fourth Proportional to 283,019.79, 390,746.61 and 175,703.70
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Solution
The fourth proportional to 283,019.79, 390,746.61 and 175,703.70 is: 242,582.42
Step by Step Solution
- Step 1: Write the proportion equation
283,019.79 : 390,746.61 = 175,703.70 : x - Step 2: Convert to fraction form
283,019.79/390,746.61 = 175,703.70/x - Step 3: Cross multiply
283,019.79x = 390,746.61 × 175,703.70 - Step 4: Simplify right side
283,019.79x = 68,655,625,139.46 - Step 5: Solve for x
x = 68,655,625,139.46/283,019.79 - Step 6: Final answer
x = 242,582.42
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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.