Finding the Fourth Proportional to 340,938.24, 511,681.28 and 153,966.08
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Solution
The fourth proportional to 340,938.24, 511,681.28 and 153,966.08 is: 231,072.82
Step by Step Solution
- Step 1: Write the proportion equation
340,938.24 : 511,681.28 = 153,966.08 : x - Step 2: Convert to fraction form
340,938.24/511,681.28 = 153,966.08/x - Step 3: Cross multiply
340,938.24x = 511,681.28 × 153,966.08 - Step 4: Simplify right side
340,938.24x = 78,781,560,890.98 - Step 5: Solve for x
x = 78,781,560,890.98/340,938.24 - Step 6: Final answer
x = 231,072.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.