Finding the Fourth Proportional to 398,303.01, 549,406.98 and 237,037.68
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Solution
The fourth proportional to 398,303.01, 549,406.98 and 237,037.68 is: 326,962.52
Step by Step Solution
- Step 1: Write the proportion equation
398,303.01 : 549,406.98 = 237,037.68 : x - Step 2: Convert to fraction form
398,303.01/549,406.98 = 237,037.68/x - Step 3: Cross multiply
398,303.01x = 549,406.98 × 237,037.68 - Step 4: Simplify right side
398,303.01x = 130,230,155,915.01 - Step 5: Solve for x
x = 130,230,155,915.01/398,303.01 - Step 6: Final answer
x = 326,962.52
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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.