Finding the Fourth Proportional to 249,319.14, 343,948.23 and 153,880.26
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Solution
The fourth proportional to 249,319.14, 343,948.23 and 153,880.26 is: 212,285.52
Step by Step Solution
- Step 1: Write the proportion equation
249,319.14 : 343,948.23 = 153,880.26 : x - Step 2: Convert to fraction form
249,319.14/343,948.23 = 153,880.26/x - Step 3: Cross multiply
249,319.14x = 343,948.23 × 153,880.26 - Step 4: Simplify right side
249,319.14x = 52,926,843,058.94 - Step 5: Solve for x
x = 52,926,843,058.94/249,319.14 - Step 6: Final answer
x = 212,285.52
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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.