Finding the Fourth Proportional to 915,047.14, 1,372,754.16 and 316,030.26
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Solution
The fourth proportional to 915,047.14, 1,372,754.16 and 316,030.26 is: 474,108.75
Step by Step Solution
- Step 1: Write the proportion equation
915,047.14 : 1,372,754.16 = 316,030.26 : x - Step 2: Convert to fraction form
915,047.14/1,372,754.16 = 316,030.26/x - Step 3: Cross multiply
915,047.14x = 1,372,754.16 × 316,030.26 - Step 4: Simplify right side
915,047.14x = 433,831,854,100.88 - Step 5: Solve for x
x = 433,831,854,100.88/915,047.14 - Step 6: Final answer
x = 474,108.75
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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.