Finding the Fourth Proportional to 368,488.17, 508,510.37 and 207,339.99
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Solution
The fourth proportional to 368,488.17, 508,510.37 and 207,339.99 is: 286,127.32
Step by Step Solution
- Step 1: Write the proportion equation
368,488.17 : 508,510.37 = 207,339.99 : x - Step 2: Convert to fraction form
368,488.17/508,510.37 = 207,339.99/x - Step 3: Cross multiply
368,488.17x = 508,510.37 × 207,339.99 - Step 4: Simplify right side
368,488.17x = 105,434,533,994.00 - Step 5: Solve for x
x = 105,434,533,994.00/368,488.17 - Step 6: Final answer
x = 286,127.32
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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.