Finding the Fourth Proportional to 101,681.66, 152,521.71 and 30,603.99
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Solution
The fourth proportional to 101,681.66, 152,521.71 and 30,603.99 is: 45,905.75
Step by Step Solution
- Step 1: Write the proportion equation
101,681.66 : 152,521.71 = 30,603.99 : x - Step 2: Convert to fraction form
101,681.66/152,521.71 = 30,603.99/x - Step 3: Cross multiply
101,681.66x = 152,521.71 × 30,603.99 - Step 4: Simplify right side
101,681.66x = 4,667,772,887.62 - Step 5: Solve for x
x = 4,667,772,887.62/101,681.66 - Step 6: Final answer
x = 45,905.75
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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.