Finding the Fourth Proportional to 249,963.21, 344,590.52 and 178,218.68
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Solution
The fourth proportional to 249,963.21, 344,590.52 and 178,218.68 is: 245,686.02
Step by Step Solution
- Step 1: Write the proportion equation
249,963.21 : 344,590.52 = 178,218.68 : x - Step 2: Convert to fraction form
249,963.21/344,590.52 = 178,218.68/x - Step 3: Cross multiply
249,963.21x = 344,590.52 × 178,218.68 - Step 4: Simplify right side
249,963.21x = 61,412,465,000.87 - Step 5: Solve for x
x = 61,412,465,000.87/249,963.21 - Step 6: Final answer
x = 245,686.02
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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.