Finding the Fourth Proportional to 358,089.05, 537,019.65 and 118,158.23
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Solution
The fourth proportional to 358,089.05, 537,019.65 and 118,158.23 is: 177,199.75
Step by Step Solution
- Step 1: Write the proportion equation
358,089.05 : 537,019.65 = 118,158.23 : x - Step 2: Convert to fraction form
358,089.05/537,019.65 = 118,158.23/x - Step 3: Cross multiply
358,089.05x = 537,019.65 × 118,158.23 - Step 4: Simplify right side
358,089.05x = 63,453,291,319.22 - Step 5: Solve for x
x = 63,453,291,319.22/358,089.05 - Step 6: Final answer
x = 177,199.75
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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.