Finding the Fourth Proportional to 153,655.47, 212,058.50 and 93,241.44
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Solution
The fourth proportional to 153,655.47, 212,058.50 and 93,241.44 is: 128,681.65
Step by Step Solution
- Step 1: Write the proportion equation
153,655.47 : 212,058.50 = 93,241.44 : x - Step 2: Convert to fraction form
153,655.47/212,058.50 = 93,241.44/x - Step 3: Cross multiply
153,655.47x = 212,058.50 × 93,241.44 - Step 4: Simplify right side
153,655.47x = 19,772,639,438.03 - Step 5: Solve for x
x = 19,772,639,438.03/153,655.47 - Step 6: Final answer
x = 128,681.65
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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.