Finding the Fourth Proportional to 242,468.18, 334,616.45 and 135,038.19
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Solution
The fourth proportional to 242,468.18, 334,616.45 and 135,038.19 is: 186,358.48
Step by Step Solution
- Step 1: Write the proportion equation
242,468.18 : 334,616.45 = 135,038.19 : x - Step 2: Convert to fraction form
242,468.18/334,616.45 = 135,038.19/x - Step 3: Cross multiply
242,468.18x = 334,616.45 × 135,038.19 - Step 4: Simplify right side
242,468.18x = 45,185,999,752.23 - Step 5: Solve for x
x = 45,185,999,752.23/242,468.18 - Step 6: Final answer
x = 186,358.48
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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.