Finding the Fourth Proportional to 417,386.98, 575,989.95 and 226,397.62
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Solution
The fourth proportional to 417,386.98, 575,989.95 and 226,397.62 is: 312,426.50
Step by Step Solution
- Step 1: Write the proportion equation
417,386.98 : 575,989.95 = 226,397.62 : x - Step 2: Convert to fraction form
417,386.98/575,989.95 = 226,397.62/x - Step 3: Cross multiply
417,386.98x = 575,989.95 × 226,397.62 - Step 4: Simplify right side
417,386.98x = 130,402,753,823.92 - Step 5: Solve for x
x = 130,402,753,823.92/417,386.98 - Step 6: Final answer
x = 312,426.50
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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.