Finding the Fourth Proportional to 432,718.20, 597,183.44 and 249,013.08
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Solution
The fourth proportional to 432,718.20, 597,183.44 and 249,013.08 is: 343,656.65
Step by Step Solution
- Step 1: Write the proportion equation
432,718.20 : 597,183.44 = 249,013.08 : x - Step 2: Convert to fraction form
432,718.20/597,183.44 = 249,013.08/x - Step 3: Cross multiply
432,718.20x = 597,183.44 × 249,013.08 - Step 4: Simplify right side
432,718.20x = 148,706,487,719.40 - Step 5: Solve for x
x = 148,706,487,719.40/432,718.20 - Step 6: Final answer
x = 343,656.65
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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.