Finding the Fourth Proportional to 402,024.70, 555,053.70 and 249,226.18
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Solution
The fourth proportional to 402,024.70, 555,053.70 and 249,226.18 is: 344,093.07
Step by Step Solution
- Step 1: Write the proportion equation
402,024.70 : 555,053.70 = 249,226.18 : x - Step 2: Convert to fraction form
402,024.70/555,053.70 = 249,226.18/x - Step 3: Cross multiply
402,024.70x = 555,053.70 × 249,226.18 - Step 4: Simplify right side
402,024.70x = 138,333,913,345.87 - Step 5: Solve for x
x = 138,333,913,345.87/402,024.70 - Step 6: Final answer
x = 344,093.07
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1.5x scale
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.