Finding the Fourth Proportional to 368,013.12, 551,133.92 and 249,324.63
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Solution
The fourth proportional to 368,013.12, 551,133.92 and 249,324.63 is: 373,386.86
Step by Step Solution
- Step 1: Write the proportion equation
368,013.12 : 551,133.92 = 249,324.63 : x - Step 2: Convert to fraction form
368,013.12/551,133.92 = 249,324.63/x - Step 3: Cross multiply
368,013.12x = 551,133.92 × 249,324.63 - Step 4: Simplify right side
368,013.12x = 137,411,262,341.14 - Step 5: Solve for x
x = 137,411,262,341.14/368,013.12 - Step 6: Final answer
x = 373,386.86
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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.